Potential Kelp Side Effects. Users regarded kelp as an effective agent for weight loss and an essential ingredient in energy-boosting juices. Kelp is also an excellent source of vanadium, used in clinical studies to lower glucose levels in individuals suffering from diabetes type 1 and 2. This can also lead to a lack of thyroid hormones (hypothyroidism) [13, 2]. Others complained of excessive sweating and mucus formation after taking kelp-based supplements. What Food Does Your Body Need To Stay Healthy? If you want to use it as a supportive measure, talk to your doctor to avoid any unexpected interactions. We are dedicated to providing the most scientifically valid, unbiased, and comprehensive information on any given topic. In another study in cells and mice, fucoidan stopped the growth and spread of lung cancer cells by blocking growth pathways (Akt–mTOR and NF-kB) [45, 44]. These are being grown and harvested as a new sea vegetable. A 2-tablespoon serving offers 6 percent recommended daily dose of vitamin K and 1 percent of the recommended daily dose of vitamins B5 and E. Kelp, which is sometimes consumed in the form of kelp supplements, can have an adverse effect on people with hypothyroidism due to its high iodine content. Increased risk of nodules and cysts in the thyroid gland and the breasts. Certain kelp-based supplements contain that in one tablet. Kelp is a form of large brown sea algae. However, there are still a few things to keep in mind just in case. In another trial on 65 people, polyphenols extracted from two different kelp species lowered blood sugar, insulin resistance, and inflammatory markers [25]. If you are a pregnant or nursing female, you need more. Our science team is put through the strictest vetting process in the health industry and we often reject applicants who have written articles for many of the largest health websites that are deemed trustworthy. Feel free to check out her portfolio: christabel.co. Kelp can have many therapeutic and nutritional benefits, as it is a In addition to writing and editing, Christabel is also a certified Hatha yoga and meditation teacher. Patients were given 1 to 2 grams of powdered kelp daily, and this treatment restored thyroid function, increasing the concentration of iodine in the urine [20]. A study of 15 postmenopausal women, 10 of whom were breast cancer survivors, looked at the effects of brown seaweed supplementation over a 3-month period (alternating with placebo). Concerns about liver damage from green tea extract have prompted France and Spain to remove a weight-loss product containing the ingredient from the market, according to the USP. She graduated summa cum laude from Fresno State with a Bachelors of Science in Animal Sciences and Pre-Veterinary Medicine, concentrating on animal agriculture and dairy production. The material appearing on LIVESTRONG.COM is for educational use only. This list does not cover all possible side effects. Interferes With Drug Action. Kelp is a seaweed that belongs to the brown algae family Laminaiaceae. Claudia has a PhD in Physical Activity, Nutrition and Wellness and is a Registered Dietitian. SelfHacked does not endorse any specific product, service, or treatment. Of these, 26 were deemed to potentially lead to iodine intake above the accepted level [90]. Minerals like iron, zinc phosphorus and potassium are also available in sea kelp, in smaller amounts. Dietary fiber, peptides, lipids, and minerals protect the heart. In tissues with low blood supply, fucoidan decreased cell death proteins (including MAPK, JNK, and caspase-3) and harmful compounds (reactive oxygen species) [35]. Speak with a doctor before taking kelp supplements and never use them as a replacement for approved medical therapies. Lower activity reduces fat breakdown, leading to fewer fats being absorbed after a meal [31]. Contact your doctor or pharmacist if you notice any other side effects. You must consult your doctor before acting on any content on this website, especially if you are pregnant, nursing, taking medication, or have a medical condition. Not Suitable for People with Heart Diseases: Large intake of cod liver oil will lead to heart failure, … Selfhacked LLC does not provide medical advice, diagnosis, or treatment. You can take kelp as food, pill, powder, or tincture. However, an extract with seaweed polyphenols was ineffective at lowering blood sugar levels (both before and after meals) in a trial on 26 people [26]. In a rabbit model, fucoidan helped create new vessels, essential for communication with bones and bone repair. Drug Interactions Never exceed this recommended dosage without consultation [80]. Also, the pills increased HDL levels, which help prevent heart disease associated with diabetes [23, 24]. In a cell study, 5 organic brown seaweed (kelp) extracts blocked an important enzyme that may contribute to high blood pressure (Angiotensin-converting Enzyme, ACE). Certain sea kelp, like sugar kelp, (Saccharina latissima) thrive in cold waters, off the coast of Connecticut and Maine. Our website services, content, and products are for informational purposes only. Bladderwrack Reviews [Fucus vesiculosus, related to Kelp] Bladderwrack (Bladder Wrack, Fucus vesiculosus) is a rockweed or seaweed having forked, brownish-green branches with gas-filled bladders. It caused no major side effects, with the exception of mild diarrhea at the beginning of the treatment period [27, 10]. Most T4 to T3 con… The American Thyroid Association states that the recommended daily allowance for healthy adults is 150 milligrams of iodine and between 220-290 milligrams for women who are either pregnant or lactating. Further clinical research is needed before concluding for certain that kelp helps with weight loss. From the excessive iodine, the thyroid glands swelled, leading to hypothyroidism and reducing liver function [78, 79, 74]. Read more: Does Sea Salt Have Iodine in It? Just like plants on land, sea kelp requires light from the sun to carry out photosynthesis and prefers growing in bodies of water that are rich in nutrients. A 1% or 5% fucoidan (from kelp) diet reduced fat in mice that were fed a high-fat diet over 12 weeks. Additionally, this study also examined alanine aminotransferase levels, a protein whose presence correlates to a more severe HCV infection. Theoretically, one could eat too much liver and get vitamin A toxicity, but this would take eating repeated doses in very large quantities. Still, another cellular study (initiated in response to the case of severe side effects) found detectable arsenic levels in 8 out of 9 tested kelp supplements. The high iodine content in kelp supports the production of thyroid hormones T3 and T4. Levels of other toxic heavy metals, such as arsenic, lead, aluminum, and mercury in Korean seaweed were determined to be very low and not a health threat [82, 83, 84]. More resveratrol side effects are outlined below: 1. Cadmium can cause toxicity in the body [81]. As a kid, he suffered from inflammation, brain fog, fatigue, digestive problems, anxiety, depression, and other issues that were poorly understood in both conventional and alternative medicine. He strongly believes that scientific literacy is crucial to maintain a healthy lifestyle and avoid falling for scams. Obviously this is far more than the RDA and can result in cirrhosis of the liver. Save my name, email, and website in this browser for the next time I comment. Carlos spent 9 years in the laboratory investigating mineral transport in plants. Kelp may also improve diabetes, reduce blood clots, and even help fight hepatitis C and breast cancer [1]. In another study, fucoidan injections in mice led to enhanced cell survival and function in tissues with low blood supply (ischemia) [34, 35, 36, 37]. Another type of seaweed – Gracilaria changii – is rich in fiber content and essential amino acids (the building blocks of proteins) [4, 3]. Fucoxanthin, a pigment found in brown seaweed, may also boost weight loss [8, 9, 10, 11, 12]. Kelp Extract Side Effects. Kelp is eaten as food in Japan, Alaska, and Hawaii. Fucoidan blocked the growth of the herpes simplex virus type 1 (HSV-1) in infected mice. Joe Cohen won the genetic lottery of bad genes. Fucoidan supplements prevented blood clotting in mice. In a study (cell), seaweed extracts (including kelp) protected brain cells from death in cell models of Parkinson’s disease and improved cell survival. Giant kelp, sugarwack, southern kelp, and bull kelp are a few different varieties of kelp. The evidence for whether or not you can use resveratrol for weight loss remains inconclusive. Kelp for Dogs (FTC Disclosure: If you make a purchase via a link on this page, I may receive a small commission, at no added cost to you.Overview. Of the 10 extracts, 4 experienced decreased blood pressure after both a single dose and routine use [69]. A 45-year-old woman with no history of thyroid disease experienced an extended period of thyroid hyperactivity (hyperthyroidism) shortly after beginning a kelp-containing diet. Kelp Boosts Glutathione: The Japanese call several Pacific species of kelp Kombu. Our goal is to not have a single piece of inaccurate information on this website. Additionally, users with histories of thyroid issues claimed that the source of iodine present in kelp and its supplements worked better than previously prescribed iodine pills, even improving metabolism. In a rat model, fucoidan (present in kelp) was used to reduce inflammation caused by immune cells in the brain. The opinions expressed in this section are solely those of kelp users, who may or may not have medical or scientific training. Kelp, or brown algae, is found on the coasts of Korea and Japan. , Complete analysis from patient reviews and trusted online health resources, including first-hand experiences. Fucoidan from kelp may kill cancer cells and stop their growth [5]. Paliperidone side effects. Terms of Use Vanadium also decreased cholesterol levels. Powdered seaweed pills reduced sugar levels in a study of 20 subjects with type 2 diabetes (RCT), taken daily for 4 weeks. Carlos received his PhD and MS from the Universidad de Sevilla. . Learn how your comment data is processed. Because kelp supplements are not approved for any health conditions, there is no official dose. Since my weight retention issues seem to be related to my liver function, a nice side effect of this (in addition to clearer skin, abundant energy, and a multitude of other benefits) was that my weight naturally balanced out. The majority of this conversion does not occur in your thyroid gland. Fucoidan reduced all important actors in the inflammatory cascade in cell studies. Despite the positive laboratory findings, these results did not lead to significant clinical improvements [46, 47]. Fucoidan also increased the growth of new vessels, improving communication with bones [63, 64]. In a clinical trial on 24 people, dietary fucoidan prevented the formation of blood clots by increasing the production of two messengers (hydrogen peroxide and prostacyclins) in the blood vessels [32]. Their reviews do not represent the opinions of SelfHacked. They also have a huge bearing on your energy levels and maintenance of normal body temperature. Fucoidan showed antioxidant effects and has the potential to be used as a natural antioxidant [7]. Mice fed fats from seaweed had increased markers of weight loss in fat tissue. Mice given fucoidan had better survival rates. Sea kelp is a variety of seaweed grown underwater in salty coastal environments. Read on to find out more. This enzyme is often a target for blood pressure-lowering drugs [70, 71]. This site uses Akismet to reduce spam. Dried seaweed may have high heavy metal content, such as cadmium (Cd). A study of Xanthigen, which is a type of kelp, showed reduced body weight, waist circumference, and body and liver fat content in 151 non-diabetic obese women. The kelp plant is made up of three parts: the blade (the leaf-like structure), the stipe (the ste… Intake may also cause side effects including lip and face swelling, bleeding and bruising, fever, joint pain, lymph node enlargement in sensitive people. Leaf Group Ltd. The truth is the body tolerates too much very well. Some side effects may be very serious. It also contains kelp to give this supplement an iodine boost. It decreased fasting and post-meal blood sugar levels and serum lipid (fatty acid) levels. Im feeding her raw Kangaroo st present as she has been itching on beef and chichen. Iodine, for example, already exists in abundance in our food, and although it’s important to our diet, too much of it may cause hyperthyroidism, Graves’ disease and even thyroid cancers. SelfHacked © 2013 – 2020 All Rights Reserved. Kelp reduced the weight of liver and fat tissue, glucose, and fats (cholesterol and fatty acids) in the blood. It is important that you are not deficient in iodine if you suffer … He then started working as a freelancer, mainly in science writing, editing, and consulting. Other kelp side effects include sea kelp's high arsenic content. We understand that reading individual, real-life experiences can be a helpful resource, but it is never a substitute for professional medical advice, diagnosis, or treatment from a qualified healthcare provider. It increased the activity of a protein that breaks down fatty acids (lipoprotein lipase), dissolving the plaque in arteries [72]. Moreover, we do not select every advertiser or advertisement that appears on the web site-many of the Our science team must pass long technical science tests, difficult logical reasoning and reading comprehension tests. Side effects may include nausea and stomach pain, runny nose, headache, metallic taste, and diarrhea. It is rich in minerals and trace elements and has a nourishing and tonic effect on all of the body's systems. It’s mostly in the animal and cell stage and clinical trials have yet to determine if it may be useful in anticancer therapy. In a cell study, alginate (a carbohydrate present in the walls of algae and seaweed) reduced the activity of a protein in the pancreas that breaks down fats (pancreatic lipase). The treatment improved immune response (innate and adaptive), increasing antibody production [58]. Because kelp has a high mineral content, high doses may pose a health risk for those with certain pre-existing health problems. In a brain and spinal cord cell study, fucoidan reduced inflammation (blocking nitric oxide (NO) and prostaglandin E2 production). We believe that the most accurate information is found directly in the scientific source. According to the Mayo Clinic, too much iodine may worsen the symptoms of hypothyroidism in patients with abnormal thyroid glands, especially if a lack of iodine is not the primary cause of the under-active thyroid gland. Our team comprises of trained MDs, PhDs, pharmacists, qualified scientists, and certified health and wellness specialists. The sticks cause the release of prostaglandins, which act as hormones that help initiate womb contractions [15, 16]. Sea kelp is generally safe, and side effects related to its consumption are rare. Increased risk of infections – both viral and bacterial. People in some regions of the world may digest large-chain carbohydrates present in seaweed more easily than others. The Japanese, whose diet includes more marine algae, have a gut bacterium for seaweed digestion that is not present in Americans or Europeans. Required fields are marked *. Side Effects & Safety Alfalfa leaves are POSSIBLY SAFE for most adults. advertisements are served by third party advertising companies. Increased risk of some types of cancer, including thyroid cancer. However, there are better and safer methods for inducing labor or abortion. Use of this web site constitutes acceptance of the LIVESTRONG.COM It should not be One of the other side effects of super-high doses of vitamin A is hair loss. Similarly, a 40-year-old woman developed liver damage (hepatotoxicity) after drinking an herbal tea that contained kelp 3 times a day over 2 months. Inducing Labor and Facilitating Abortion Procedures, Animal and Cell Research (Lack of Evidence), 4) Allergic Reactions to Laminaria Sticks. All in all, the evidence suggests that appropriate kelp doses may improve iodine deficiency and thyroid function. In Canada, you may report side effects to Health Canada at 1-866-234-2345. You want to be consuming 150mcgs per day of Iodine from food and from supplementation total. Ten protein extracts from a particular sea kelp (wakame) were given to rats with high blood pressure. Fucoidan is responsible for several potential effects of kelp, including antioxidant, anti-inflammatory, and cancer fighting [5, 6, 7]. Supplement Use & Side Effects, Ripen the cervix with synthetic prostaglandins, Give intravenous Pitocin (synthetic oxytocin). Kelp, or brown algae, is found on the coasts of Korea and Japan. A June 2016 study published in Environmental Science and Pollution Research International found that water with high levels of mercury can be remediated by kelp's mercury absorption abilities. Consumption of a diet rich in fats increases the liver … Below, we will discuss some preliminary research on kelp’s potential anticancer. diagnosis or treatment. Users and supplement manufacturers have established unofficial doses based on trial and error. Side Effects of Taking Sea Kelp | … Do not under any circumstances attempt to replace conventional cancer therapies with kelp, its active compounds, or any other supplements. Some side effects may go away as your body adjusts to the remedy. Depending on the circumstances, doctors may [19]: Kelp has a high iodine content (200 to 400 µg). Kelp is an excellent source of iodine, potassium, magnesium, iron, and calcium [2]. Vanadium mimicked insulin in animal studies. Sticks made of Laminaria (a type of kelp) are used to induce birth and perform abortions. This caused iodine toxicity, impairing thyroid function, and possible arsenic poisoning (present in the patient’s urine) that caused the symptoms [80, 74]. One of the kelp supplement side effects therefore is loose bowel movements or even diarrhea. A 2-tablespoon serving contains 23 milligrams of sodium, or 1 percent of the recommended daily dose, as well as 17 milligrams of calcium and 12 milligrams of magnesium. Dizziness, vertigo, nervousness, depression, headaches, decreased blood counts, anorexia, alopecia, abnormal liver function tests are few of the reported side effects of this drug. However, only approximately one percent of the arsenic in sea kelp is the toxic inorganic form, while close to 95 percent of the arsenic present is arsenosugar, a harmless organic compound. All of our content is written by scientists and people with a strong science background. Supplement/Herb/Nutrient-drug interactions can be dangerous and, in rare cases, even life-threatening. Some even complained of developing the dependency on the supplements for thyroid function, due to the resulting iodine imbalance. Synthetic steroids mimic the male hormone testosterone, but have been shown to have very unpleasant side effects: liver damage, cancerous tumors, premature balding and smaller testicles to … used as a substitute for professional medical advice, Yale School of Forestry and Environmental Studies, Watch Out for the Sodium in Seaweed Salad, Analytical Methods: Advancing Methods and Applications, Environmental Science and Pollution Research International, Yale School of Forestry and Environmental Studies: "As Oceans Warm, the World’s Kelp Forests Begin to Disappear”, National Ocean Service: "What Is a Kelp Forest? No clinical evidence supports the use of kelp for any of the conditions listed in this section. The liver is an important organ that performs many vital roles in the body. Always consult your doctor before supplementing and let them know about all drugs and supplements you are using or considering. Side effects of eating liver are rare for most people. Kelp contains high levels of lignans, a type of fiber with estrogen-like effects. Chlorella and spirulina are types of blue-green algae often consumed in supplement form. The information on this website has not been evaluated by the Food & Drug Administration or any other medical body. After 8 to 10 months of treatment, hepatitis C virus (HCV) levels in the blood significantly decreased [46]. Most of the resveratrol side effects reported have been anecdotal to date, including claims (both pro and con) of resveratrol’s side effects on hair loss. Sea kelp contains relatively few calories. Giant canopies of kelp exist in shallow water, and provide shelter and nutrition to a variety of marine life, explains the National Ocean Service. The reaction included breathing difficulty, nausea, and dangerously low blood pressure. Only in very few situations can it have adverse effects. It also protected from toxins, helping the cells avoid death (via hydrogen peroxide and caspase-3) [59, 60, 61, 62]. SelfDecode’s personalized DNA reports can tell you which vitamins and mineral deficiencies you’re susceptible to, and which foods to consume to prevent these deficiencies. Her writing has appeared in Byrdie, The Hindu Business Line, Trivago, Open Skies, Fodor’s, London’s Evening Standard, Silkwinds, HuffPost, Barclays Travel, and on her personal yoga & travel blog, Where’s Bel. According to the USDA, sea kelp contains trace amounts of vitamins like vitamin B5, vitamin C and vitamin E, as well as vitamin K, which is an essential vitamin for the body's blood clotting process. Information is shared for educational purposes only. Kelp has potential cancer-fighting properties. Different methods and amounts are used depending on the trimester (inserted into the cervix). Different types of kelp are used, including winged kelp, laminarin, and fingered tangle. Although limited, the evidence suggests that kelp and its compounds may help lower blood sugar and insulin resistance. Read more: Watch Out for the Sodium in Seaweed Salad. In addition, seaweed supplements and algae extracts, including the brown seaweed Laminaria, reduced colon, breast, and prostate cancer activity [40, 41, 42, 43]. It also improved liver function tests and increased energy use at rest [29]. A UK-based study examining the accuracy of food labeling on edible seaweed and algae products surveyed 224 products, and only 10% of them contained information regarding iodine content. Nutrients from seaweed carry potential health benefits. It grows in shallow, nutrient-rich saltwater, near coastal fronts around the world. Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.. Stop taking paliperidone and call your doctor at once if you have any of these signs of a serious movement disorder: Kelp is also high in arsenic, a carcinogenic compound. While there are many purported benefits of eating kelp, there are some sea kelp side effects to be aware of, including its high iodine and arsenic content. Fucoidan injections or fucoidan, when given in food, slowed tumor growth in mice. Jonathan Ritter, PharmD, PhD (Pharmacology), Selank (TP-7) for Anxiety + Insufficiently Investigated Uses, Dosage, & Limitations, 12 Health Benefits of Valerian Root + Dosage & Side Effects, What is Horsetail? In one study with diabetic mice, a vanadium-based compound reduced blood sugar levels and diabetic symptoms (such as thirst, hunger, and weight loss), with no side effects [28]. A 2-tablespoon serving of raw sea kelp has just 4 calories, 0.17 grams of protein, 0.96 grams of carbohydrates and less than 0.1 grams of both fat and sugar. Fucoidan reduced the growth of leukemia cells and killed 2 out of 4 lines tested in a study. Im concerned with so mych of the dos and donts, kelp, raw bones bone meal l want the best for her but dont eant to harm her. In another trial on 36 healthy people, kelp increased the levels of the hormone that stimulates the thyroid gland (TSH) [21]. The blood tests also present a decrease in alanine aminotransferase levels. The potential health benefits of kelp are wide-ranging – it can fight iodine deficiency, help with diabetes, and prevent blood clots. These hormones help to control your metabolic rate, that is the rate at which your body burns calories. Never delay or disregard seeking professional medical advice from your doctor or other qualified healthcare providers because of something you have read on SelfHacked. Again, the results are promising but limited. It also partially improved bone growth in rabbits with defects in skull formation [63]. Christabel Lobo is a freelance health and wellness writer currently based in Mysore, south India’s yoga capital. There are around 30 varieties of kelp. Importantly, the FDA-recommended dosage for daily intake of iodine is 225 μg. Note that each number in parentheses [1, 2, 3, etc.] The antioxidant properties of fucoidan (from kelp) were confirmed in a cell study that tested its 2 major components, sulfate and fucose. In human stem cells, fucoidan boosted the development of cells that build bones, called osteoblasts. In brain immune cells (microglia) fucoidan from brown seaweed showed promise for treating neurodegenerative diseases caused by inflammation [6, 56, 57]. LIVESTRONG.com may earn compensation through affiliate links in this story. However, kelp should not be consumed in large amounts through the implementation of wrong methods as it may lead to adverse effects. Privacy Policy ", Connecticut Department of Agriculture: “The State of Kelp", USDA FoodData Central: "Seaweed, Kelp, Raw", U.S. National Library of Medicine: “Sodium”, MyFoodData.com: “Nutrition Facts for Kelp Seaweed", Mayo Clinic: "Can Iodine Supplements Help Regulate Thyroid Function in a Person With Hypothyroidism? Kelp is the most nutritious of all sea vegetables. Weigh chlorella and spirulina side effects against possible benefits. Start your journey to optimal health with SelfDecode today. Kelp supplements often contain several thousand times the daily recommended limit of iodine, which can sometimes do more harm than good. Kelp has been an essential component of East Asian diets for centuries. The following purported benefits are only supported by limited, low-quality clinical studies and some animal research. Carlos is passionate about learning the mechanisms behind biological processes and communicating science to both academic and non-academic audiences. If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please leave a comment or contact us at [email protected]. However, the studies listed should not be interpreted as supportive of any health benefit. Be sure to discuss with your doctor if it may be helpful in your case and how you should take it. In the midst of the Coronavirus pandemic, we’ve got to do everything we can to keep our bodies as healthy as possible. Consult your doctor about the best kelp dose in your case. Fucoidan, a key component of seaweed, may fight cancer and stop tumor growth, based on both cell and animal models. Although iodine is essential for strong health, you can have too much of a good thing. It improved thyroid function in a study of 7 patients with severe motor and intellectual disabilities and hypothyroidism due to iodine deficiency. Authors of the February 2018 study published in Analytical and Bioanalytical Chemistry explain that one of the dietary kelp side effects is toxicosis due to its levels of arsenic, resulting in diarrhea, nausea and overall body weakness. According to an August 2017 study published in Analytical Methods: Advancing Methods and Applications, high levels of arsenic are toxic and carcinogenic in nature. Diarrhea may also interfere with your body's ability to absorb essential electrolytes, such as potassium and sodium, and may increase your risk of becoming dehydrated. Dosage. You must stop taking iodine, once you experience the side effects. Two women experienced anaphylactic shock, an extremely severe and possibly fatal allergic reaction when Laminaria (a type of kelp) sticks were used to terminate a pregnancy. In the US, you may report side effects to the FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In a Japanese clinical trial on 13 people, eating 15-30 grams of kelp per day suppressed thyroid function, resulting in low thyroid hormone levels [22]. According to the Connecticut Department of Agriculture, seaweeds like sea kelp are able to extract nutrients, both inorganic and organic, from seawater, making themselves naturally nutrient-rich. Join SelfHacked today and start the journey of improving your life. Your thyroid gland produces two main hormones: T4 (also called thyroxine) and T3 (also called triiodothyronine). However, excessive amounts may have the opposite effect. Only one had serious complications (no contractions during delivery) and 9 required additional safety measures [17, 15, 18]. While this may be a good thing for reducing heavy metal contamination in seawater, it is important to keep in mind the potential kelp side effects of heavy metal ingestion when consuming kelp supplements. and ", American Thyroid Association: "American Thyroid Association (ATA) Issues Statement on the Potential Risks of Excess Iodine Ingestion and Exposure", Analytical Methods: Advancing Methods and Applications: "SI Traceable Determination of Arsenic Species in Kelp (Thallus laminariae)", Analytical and Bioanalytical Chemistry: “Development of a Kelp Powder (Thallus laminariae) Standard Reference Material", Environmental Science and Pollution Research International: "Comparative Study on Metal Biosorption by Two Macroalgae in Saline Waters: Single and Ternary Systems”, PARTNER & LICENSEE OF THE LIVESTRONG FOUNDATION. Do not consider user experiences as medical advice. Excessive amounts of iodine, similar to deficiencies, can alter thyroid hormones released and impair overall thyroid function [92, 74, 93, 94]. Seaweed decreased an important marker of breast cancer recurrence by half (receptor uPAR) after 4 weeks [38, 39]. It also may be capable of preventing DNA damage. The rats also had less inflammation around the area of swelling, moved easier, and had better memory retention after fucoidan treatment [33]. This later developed into low thyroid activity (hypothyroidism) caused by the excess iodine in the seaweed [73, 74, 75, 76]. Call your doctor for medical advice about side effects. Your email address will not be published. If iodine deficiency is severe and prolonged, the thyroid gland enlarges and forms a goiter. Treatment with kelp tablets may cause intestinal irritation or diarrhea in certain people. LIVESTRONG is a registered trademark of the LIVESTRONG Foundation. In another cell study, fucoidan increased proteins that promote bone and mineral formation (via BMP-2, osteocalcin, and ALP). Can Kelp cause Liver Damage? Copyright Policy T4 is not the active thyroid hormone; it must be converted into T3 in your body in order to exert its effects. Fucoidan infusion decreased clotting in bleeding in rats. Previous laminaria tent procedures possibly caused this sensitivity [91]. Oral vanadium supplements (150 to 300 mg daily) given to 14 type 1 diabetic patients (longitudinal study) for 30 months decreased fasting blood sugar levels by over 30%. A 39-year-old woman presented with a case of hyperthyroidism after drinking a kelp-containing herbal tea. There is insufficient evidence to support the use of kelp for any of the below-listed uses until the existing results are replicated in larger, more robust clinical trials. Others like Ecklonia radiata are native to the waters surrounding western Australia. SelfHacked has the strictest sourcing guidelines in the health industry and we almost exclusively link to medically peer-reviewed studies, usually on PubMed. It Helps in Maintaining Required Lipid Profile. Levels of arsenic were higher than the FDA tolerance level for certain food products. any of the products or services that are advertised on the web site. In the cases of inflammation, oxidative damage, herpes, brain protection, bone health, and blood pressure and fats, only animal and cell-based studies have been carried out. Sea kelp is high in minerals like sodium, which, according to U.S. National Library of Medicine, is responsible for maintaining the body's fluid balance. Below is a summary of the existing animal and cell-based research, which should guide further investigational efforts. Fucoxanthin, a pigment from seaweed, produced these effects [12, 30]. Copyright © Kelp also contains a complex long-chain carbohydrate (polysaccharide) called fucoidan. Laminaria sticks can mechanically assist in terminating pregnancy from the first to the late second trimester of pregnancy. Sea kelp is a variety of seaweed grown underwater in salty coastal environments. The latter can lead to dehydration, which is dangerous since … It originates from a marine bacterium (via gene transfer) living on the surface of some sea algae species [95]. Kelp is a great source of vanadium. In nature, different kelp species (such as Laminaria digitata, Laminaria Hyperborea, Saccharina latissima, Alaria esculenta) that carry more proteins may contain less long-chain carbohydrates (such as fucoidan), and vice-versa [95, 90]. Fucoidan given to aged female mice increased bone density and weight suggesting that fucoidan may play a role in treating age-related bone loss [65, 66, 67, 68]. is a clickable link to peer-reviewed scientific studies. A 54-year-old woman experienced hair loss worsening, memory loss, fatigue, and nausea due to exceeding the prescribed amount of kelp supplements. In fact, this diet introduced kelp into different regions across the world. Intake of more than 2000 mcg of kelp a day may also lead to interference of normal thyroid functions and other harmful They are continually monitored by our internal peer-review process and if we see anyone making material science errors, we don't let them write for us again. Your email address will not be published. Align your health hacks with your genes for optimal health & cognitive function. Hi Daryll, I have a F German Sheperd pup 13 wks. Iodine Overdose. Frequent, loose bowel movements may be accompanied by abdominal cramping or bloating or loss of appetite. The supplements also decreased the activity of blood clot stimulators (platelets and fibrin). Different kelp supplements exist with varying amounts of proteins and other nutrients. Laminarin is a specific type of kelp in the brown algae family rich in nutrients (iodine, potassium, magnesium, calcium, and iron). Most potential health benefits are supported by only a few, small clinical trials. One standard serving of Grassland Nutrition Liver/Kelp taken daily is 3 grams, which works out to 21 grams per week, which roughly works out to a standard serving of 3 oz of liver per week. Kelp supplements have been linked to autoimmune disorders that cause red blood cells and blood clotting factors to become defective and attacked by the body’s immune system due to the possible presence of toxic metal (arsenic) [86, 87, 88, 89]. In a study of 15 patients with chronic hepatitis C, fucoidan from brown seaweed was used to treat virus-related liver diseases. Each species varies in iodine levels and nutrients, so the supplement strength and risk will also vary [90, 2, 77, 20]. Kelp side effects include too much iodine in the diet, resulting in worsening symptoms of hypothyroidism. Kelp has been associated with adverse reactions with levothyroxine and other thyroid replacements leading to hyperthyroidism.4 To our knowledge, kelp has not been shown to have a significant adverse effect on the liver. Read more: Side Effects of Iodine Supplements. Newer research is taking a look at gotu kola’s effect on liver and kidney toxicity. Dandelion root, kelp, burdock root and turmeric aid in cleansing the body and protect against toxins. Its compounds may also block tumor growth and spreading [2]. Though kelp may look like a plant, it is actually a form of sea algae. Fucoidan also blocked inflammatory proteins (cytokines IL-1β and TNF-alpha) and the inflammation pathway (reducing NF-kβ and p38 MAPK) [6, 51, 49, 52, 53, 54, 55]. The mechanism by which kelp leads to a cholestatic syndrome has not yet been elucidated. Don't worry about getting too much Iodine in your diet. The tea consumption led to the formation of a goiter, an abnormal enlargement of the thyroid gland [77, 74]. In one study (longitudinal), 171 late second-trimester abortions were performed using Laminaria (cervical preparation). 2020 As a huge source of iodine, kelp supplements may interfere with thyroid replacement therapies. Fucoidan improved animal behavior, reduced harmful compounds (TNF-alpha), prevented neuron loss, and protected the cells from damage (reducing reactive oxygen species) that can cause neurodegeneration [48, 49, 50]. They may help reduce markers of heart disease, protect the cells (reducing oxidative stress), reduce inflammation in blood vessels, reduces high blood pressure, and decrease blood clotting [14]. Fucoidan killed cancer cells by activating the immune system (via natural killer cells) [40, 44]. Spirulina is an irritant to your immune system. Kelp can have many therapeutic and nutritional benefits, as it is a rich source of iodine, minerals, antioxidants, fiber, proteins, and healthy carbohydrates. These cultures … Claudia is an expert at intuitive eating, nutrition science, and removing diets from your life. Kelp is a good source of folic acid (one of the B vitamins), as well as many other vitamins. We do not aim to diagnose, treat, cure or prevent any illness or disease. The LIVESTRONG Foundation and LIVESTRONG.COM do not endorse One gram of powdered kelp contains approximately 200 μg of iodine. Years ago I used to purchase Liv-Guard from Nature's Sunshine, and it made a tremendous difference in my energy level. A plus sign next to the number “[1+, 2+, etc...]” means that the information is found within the full scientific study rather than the abstract. It can interfere with … Depending on the type of kelp or seaweed, the nutrient profile can vary greatly [3]. According to the Yale School of Forestry and Environmental Studies, some forms of kelp are brown in color and can grow up to 100 feet in length. Side effects. None informed of possible arsenic contamination [85]. Certain kelp supplement users complained of gaining weight and experiencing depression after long periods of use.

kelp side effects liver

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