Which are the best kelp supplements?
Kelp is a type of large brown algae, or seaweed as it’s more commonly known, found in shallow, nutrient-rich coastal waters and coastlines worldwide.
It contains critical vitamins and minerals our bodies need and boasts various health benefits ranging from thyroid support to weight management.
In this article, we’ve included everything you need to know about kelp, its benefits, and how to take it.
So, if you’re looking for a high-quality Kelp supplement, look no further, as these are the best on the market right now!
Top 10 Kelp Supplements Compared
Our supplement lists are created by researching the best-reviewed products from the most reputable companies and various web sources.
10. Yuve – Organic Sea Kelp
Yuves natural organic sea kelp supplement is formulated to support focus, clarity, and metabolism.
Each bottle comes with 100 vegan tablets, all containing 250mcg of Iodine from Kelp.
The tablets are made from cellulose, stearic acid, silica, and magnesium stearate and are manufactured in a GMP and NSF certified facility in the USA.
The brand suggests that kelp supplements provide the body with a healthy iodine source, which is a nutrient the body does not make on its own but needs to function correctly.
The tablets are non-GMO, certified gluten and gelatin-free, and do not contain artificial flavors, sweeteners, or preservatives.
Yuve recommends taking one tablet a day with food for the best results.
9. Nature’s Life – Icelandic Kelp
Icelandic Kelp, by Nature’s Life, is formulated to support healthy thyroid function.
Each bottle comes with 100 vegetarian tablets, providing you with 225mcg of Iodine and 41mg of Kelp per serving.
Other ingredients include cellulose, stearic acid, and chlorophyllin.
Icelandic Kelp is harvested from the mineral-rich ocean waters around Iceland and is carefully washed, chopped, dried, ground, and screened to ensure maximum retention of minerals, vitamins, amino acids, and essential fatty acids.
The kelp supplement is free from artificial ingredients and chemicals and is a high-quality natural source of iodine.
Nature’s Life recommends taking one tablet per day, preferably with a meal, for the best outcome.
8. Oregon’s Wild Harvest – Kelp
Oregon’s Wild Harvests’ Kelp supplement is intended to support thyroid health and metabolism.
You’ll receive 90 capsules per bottle, each containing 400mcg of Iodine and 600mcg of organic kelp thallus.
The brand suggests that Kelp is a natural source of iodine, and their kelp supplements are responsibly harvested from clean Atlantic Ocean waters off the coast of Nova Scotia.
The supplements are made in the USA, without artificial flavors, colors, stearates, and excipients, and are free from GMOs, gluten, dairy, wheat, peanuts, soy, and corn allergens.
The brand recommends taking one capsule daily with food for the best results.
7. Solgar – North Atlantic Kelp
Solgar’s North Atlantic Kelp capsules are formulated to support healthy thyroid hormone levels.
Each bottle comes with 100 vegetarian capsules/servings, providing you with 200mcg of Iodine per serving.
The brand suggests that iodine from Kelp helps support healthy thyroid hormone levels and plays a role in the growth, development, and control of metabolic rate.
The vegetable capsules are kosher certified and free from gluten, wheat, dairy, yeast, sugar, artificial flavors, sweeteners, and preservatives.
North Atlantic Kelp is manufactured following strict GMP requirements and produced in small batches to maintain freshness.
Solgar recommends adults take one vegetable capsule daily, preferably with a meal, for best results.
6. Solaray – Kelp
The kelp supplement from Solaray is formulated to support thyroid function, energy levels, and metabolism.
Each bottle contains 180 capsules/servings, all providing you with 550mcg of Kelp and 400mcg of Folic Acid.
The supplement is non-GMO, vegan, and manufactured in Solaray’s own facility to ensure potency and purity.
The veggie capsules are made from rice bran extract and cellulose, and the scientifically back formula is high in antioxidants.
The brand suggests that kelp is a great natural source of iodine and contains significant amounts of other naturally occurring minerals that promote a healthy thyroid.
Solaray recommends taking one capsule daily with an 8oz glass of water for best results.
5. Micro Ingredients – Organic Kelp Powder
Micro Ingredients organic kelp powder is a natural iodine supplement for thyroid gland support that’s rich in immune vitamins.
Each 1lb pouch contains approximately 91 servings based on the brand’s recommended serving size of 5g or one rounded scoop per serving.
The natural kelp supplement is also loaded with flavonoids, amino acids, fibers, polyphenols, fatty acids, and antioxidants.
It’s free from gluten, soy, GMOs, additives, preservatives, artificial colors, flavors, and fillers.
Micro Ingredients recommends taking one serving three times daily, either between meals or by adding it to a shake or smoothie, for best results.
4. NusaPure – Sea Kelp
NusaPures’ Sea Kelp veggie capsules are formulated to support healthy metabolism, weight management, and thyroid function.
Each bottle contains 200 capsules/servings, providing you with 325mcg of Iodine and 65mcg of Organic Kelp per serving.
The capsules are made from Cellulose, Silica, and Rice Flour and are 100% vegan/vegetarian, non-GMO, and gluten-free.
The brand suggests that sea kelp may support thyroid health, increased energy and endurance, weight management, and a healthy immune system.
Sea Kelp is manufactured in the USA in a cGMP registered facility, adhering to the highest manufacturing and sourcing standards.
NusaPure recommends taking one capsule daily, preferably with a meal, for best results.
3. Country Life – Norwegian Kelp
You’ll receive 300 tablets/servings per bottle, each containing 225mcg of Iodine.
The tablets are made from Cellulose, Stearic Acid, Silica, and Magnesium Stearate and are free from GMOs, wheat, soy, milk, sugar, preservatives, artificial colors, flavors, and sweeteners.
Country Life suggests that kelp is also rich in calcium which may aid against heartburn and support healthy bones and teeth.
They also suggest that iodine’s natural source helps keep your metabolism running at an optimal level and supports weight management.
For best results, Country Life recommends taking one tablet a day with food.
2. Best Naturals – Kelp
Best Naturals kelp formula is designed to help your thyroid gland function normally.
Each bottle holds 30 tablets/servings, which all provide you with 150mcg of Iodine from Kelp.
Other ingredients include Dicalcium Phosphate, Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Magnesium Stearate, Silicon Dioxide Pharmaceutical Glaze.
The supplement is free from gluten, soy, wheat, lactose, milk, sugar, artificial colors, flavors, preservatives, and sweeteners.
The brand suggests that kelp supplements help support optimal iodine levels and thyroid function.
Best Naturals supplements are manufactured in the USA following Good Manufacturing Practices (GMP).
For best results, Best Naturals recommends taking one tablet daily, preferably with a meal.
1. Nature’s Way – Kelp
Nature’s Way kelp capsules are gluten free, non-GMO, and vegetarian.
Each bottle includes 180 capsules/servings, all providing you with 270 mcg of Iodine, 600mg of Kelp, and 35mg of Sodium.
Nature’s Way sustainably sources kelp from cold water climates, such as Nova Scotia, carefully cutting the kelps leaves to ensure the plants can regrow in the future.
The supplement is free from sugar, yeast, wheat, soy, corn, dairy, and artificial colors, flavors, and preservatives.
Nature’s Way recommends taking one capsule daily to ensure a regular iodine source to support overall thyroid health.
Frequently Asked Questions About Kelp Supplements
Q: What Is Kelp?
It’s more commonly referred to as seaweed but does vary in color, flavor, and nutrient profile compared to other seaweeds in the Laminariales family.
Kelp is harvested from shallow, nutrient-rich coastal waters and coastlines worldwide and contains many health benefits due to its strong nutrient profile.
It’s generally considered umami, a rich, savory flavor, and can be consumed raw, cooked, or in supplements.
Q: What Are The Benefits of Kelp?
Kelp has many proven health benefits and contains ten times more nutrients than any plant grown in soil.
It’s a natural source of Iodine, a mineral our bodies need to produce thyroid hormones, and is rich in antioxidants and essential vitamins, including vitamin K.
Kelp also contains a mineral called Vanadium, which has been shown to regulate blood sugar levels and help people with type 2 diabetes.
Recent studies suggest that kelp may also slow the spread of colon and breast cancers and lung and prostate cancer.
However, these studies in still ongoing, and it is yet to be proven that keep can reduce cancer in people.
Scientists are also investigating the benefit of fucoxanthin, a substance in brown algae that is believed to help with weight loss.
Kelp is also said to help raise energy levels and boost brain function.
Q: Does Kelp Have Any Side Effects?
Like most things in life, kelp is best consumed in moderation.
Although deemed safe to consume, too much kelp may overstimulate your thyroid gland due to high levels of iodine. It would, therefore, not be suited for people who suffer from hyperthyroidism as it has been linked to too much kelp intake.
Also, as kelp is known to absorb nutrients from the water it grows in, it may contain harmful metals like aluminum and lead.
Therefore, it’s essential to do your research when choosing between different kelp supplements and make sure they’re certified for purity.
Q: How Do I Take Kelp?
Kelp supplements come in various forms, like powder, capsules, and tablets.
Depending on which one you have, as a general rule of thumb, you should always start by following the manufactures serving guidelines and adjusting your dose accordingly as you progress.
The average recommended daily intake of iodine for adults is 150 mcg.
The FDA’s guidelines state a recommended maximum daily intake of 225 micrograms for adults and children more than 4 years of age.
If you suffer from thyroid problems, consulting with your doctor first is highly recommended.
Q: Which Kelp Supplement Should I Choose?
You should choose a kelp supplement that matches your requirements and needs.
Kelp sourced from the Atlantic ocean is generally considered to be the best quality, which is why you’ll find the majority of kelp supplements in this roundup have been sourced from Atlantic waters.
You should also check that the supplement is free from harmful additives and heavy metals and that it has been lab-tested and verified by a third-party for purity and potency.
All the supplements listed above are convenient and cost-effective, so you won’t go wrong, whichever one you choose.
Now that you’ve finished reading through our list of kelp supplements, we hope you’ve gained a better understanding of what kelp is, its benefits, and how you can incorporate it into your diet.
Here’s a quick recap of the 10 best kelp supplements:
- Nature’s Way – Kelp
- Best Naturals – Kelp
- Country Life – Norwegian Kelp
- NusaPure – Sea Kelp
- Micro Ingredients – Organic Kelp Powder
- Solaray – Kelp
- Solgar – North Atlantic Kelp
- Oregon’s Wild Harvest – Kelp
- Nature’s Life – Icelandic Kelp
- Yuve – Organic Sea Kelp