Skip to main content. Find in Store Enter Zip Code for locating a store. Natural color variation may occur in this product. Dairy Free. Egg Free. Nut Free. Soy Free. In addition, one of these was contaminated with arsenic, a toxin. It is not clear if any particular kelp plant species or harvesting location is better than another See What CL Found. Best choice of kelp supplements?
Among the kelp supplements which contained their listed amounts of iodine and did not exceed contamination levels for arsenic or other heavy metals, CL chose one costing just 1 cent per dose as its Top Pick. How much kelp to take? Adults generally need mcg of iodine per day, but this increases with pregnancy and lactation. Safety and side effects of kelp supplements: Since many kelp supplements contain too much iodine and may be contaminated, you must choose a product carefully.
Women who are pregnant or nursing should get iodine from a supplement containing potassium iodide rather than from a kelp supplement. See Concerns and Cautions. You must be a ConsumerLab. You will get results for 8 supplements — 6 selected by ConsumerLab. In this comprehensive review, you'll discover: Which kelp supplements passed and which failed our testing Which kelp supplements offer the best quality and value, and which is CL's Top Pick Direct comparisons and quality ratings of kelp supplements Clinical evidence for what kelp supplements can and cannot do.
How much iodine your kelp supplement should provide Who should not take kelp supplements Potential side-effects and concerns with kelp. Join to unlock the full report and get full access to over 1, reviews See the Review Now Already a member? Seaweed salts also known as seaweed seasoning, kelp granules, or table kelp can be used as salt substitutes, but cooking with them may result in the formation of toxic byproducts according to a recent study. Related CL Answers 4 Which vitamins and supplements are good for acne, and are there any that make it worse?
Which dietary supplements and health foods contain high levels of lead? Is it true that iodine can cause acne or other skin problems? Which supplements help to improve energy and decrease fatigue? First Name. Email Address. I want to subscribe to ConsumerLab news emails, and I understand that I will have the option to become a full member in the next step.
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If you are following a strict vegan diet they you may wish to consider taking a sea kelp supplement as you may otherwise find it difficult to get all of the iodine that your body needs through your diet alone, since it is mainly found in fish and dairy products.
Sea kelp contains a natural fibre called sodium alginate, which helps to support weight management. Alginate is also a natural thickener so it is sometimes added to foodstuffs such as salad dressing and ice cream. The NHS recommends that adults need micrograms of iodine per day.
Iodine can be naturally found in foods such as fish and dairy products. Iodine can also be found in cereals and grains but the iodine content will vary and is largely dependent on the iodine content of the soil where these crops are grown. To keep it simple, you could take one with breakfast, one with lunch and one with dinner. As with any supplement, these sea kelp tablets should be taken alongside a healthy, balanced diet. Sea kelp is extremely absorbent and it absorbs the nutrients from the marine environment which surrounds it.
This means they are a good source of both vitamins and minerals. Sea kelp is a large seaweed, which is brown in colour and it thrives in shallow, salt waters right around the world.
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