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10 Best Kelp Supplements – Reviewed & Ranked for 2017

If you’re looking for the best kelp supplements to buy this year, then you’ve come to the right place

You can also get more info by jumping to our Kelp Supplements Guide.

Top 10 Kelp Supplements

#1 Nature's Way Kelp-s Nature’s Way Kelp More Info
#2 NOW Foods Kelp-s NOW Foods Kelp More Info
#3 Country Life Norwegian Kelp-s Country Life Norwegian Kelp More Info
#4 Solgar North Atlantic Kelp-s Solgar North Atlantic Kelp More Info
#5 Swanson Kelp-s Swanson Kelp More Info
#6 Oregon's Wild Harvest Kelp-s Oregon’s Wild Harvest Kelp More Info
#7 Nature's Life Kelp Tablets-s Nature’s Life Kelp Tablets More Info
#8 Puritan's Pride Sea Kelp-s Puritan’s Pride Sea Kelp More Info
#9 Solaray Kelp with Folic Acid-s Solaray Kelp with Folic Acid More Info
#10 Nature’s Plus Kelp-s Nature’s Plus Kelp More Info

Kelp Supplements Guide


The seaweed known as kelp is perhaps best known for the prominent role it plays in traditional Japanese cuisine. People living in costal regions of the “Land of the Rising Sun” have been eating this savory seaweed for centuries, and many have touted its amazing health benefits over the years. Believe it or not, many Japanese claim that their long life expectancy is in large part due to their regular consumption of kelp.

Nowadays, doctors in the West have become increasingly interested in the healing benefits of this humble seaweed. Indeed, some medical professionals have claimed that eating a regular dose of kelp could help combat serious health problems like cancer, thyroid issues, and high blood pressure. In this article, we’ll take a closer look at kelp’s many benefits and let you know all about what this super food can do for your overall wellbeing.

What is Kelp?

As mentioned above, kelp is a kind of seaweed that generally grows in coastal regions. Perhaps the most famous areas of the world where kelp thrives include the coasts of Japan, Ireland, and the USA. Although the United Nations recently found that an astonishing 99 percent of the world’s seaweed is produced in Southeast Asia, a great deal of kelp has been produced on the California coast in recent years. Kelp can come in a wide variety of colors, including green, brown, and even red. In total, experts estimate that there are at least 30 varieties of kelp around the world.

Benefits of Kelp

Kelp is one of the best sources of the chemical iodine in the world. Researchers say that just one tablespoon of kelp has 500 percent of a person’s daily-recommended value (DRV) of iodine. That’s extremely impressive when you consider scallops only has a DRV of 90 percent in terms of iodine.

So, what’s so great about iodine? Well, iodine is especially important in helping regulate the body’s hormones in the thyroid gland. This is why doctors are so keen on using a healthy dosage of kelp to heal various thyroid issues. Since kelp helps the thyroid, it has the added effect of increasing skeletal, bone, and skin health. People who take kelp for a while generally notice more youthful skin and stronger teeth. Indeed, some people have even used kelp topically to treat insect bites and burns.

But a high dose of iodine isn’t the only thing kelp is good for. Just a few of the healthy vitamins and minerals to be found in kelp include vitamin A, vitamin B12, vitamin E, calcium, potassium, iron, and soluble fiber. In total, doctors have found at least 21 amino acids and 70 minerals in kelp.

Certain brands of kelp have been found to halt the progression of various cancers, including prostate, ovarian, liver, oral, and breast cancers. In the case of estrogen-linked cancers, chemists believe kelp works to induce apoptosis by lowering the overall levels of a hormone known as estradiol.

Are There any Side Effects?

The main side effects related to kelp usually have to do with taking in too much iodine. An overdose of iodine could lead to a condition known as hyperthyroidism, which is characterized by symptoms like weight loss, rapid heartbeat, and a fast metabolism. Anyone with diseases like hyperthyroidism or Grave’s disease is advised not to take kelp supplements without a doctor’s supervision.

Many people who take an excess of kelp report symptoms like diarrhea and heartburn. Since kelp has many laxative chemicals, these symptoms are to be expected, and sometimes they could actually be related to a healthy detox. Of course, always check with your doctor if your symptoms persist for numerous days. Also be sure to drink plenty of water to avoid dehydration.

While kelp helps people with high blood pressure by thinning the blood, this could lead to other issues such as bleeding in the urinary tract or gums. You should let your doctor know how much kelp you are taking before undergoing any surgical procedures, since too much kelp in your system could cause you to bleed excessively during surgery.

How to Take Kelp

The most common way to take kelp, of course, is to eat it. Besides eating it in seaweed form, you could order products like kelp flakes or kelp noodles to incorporate into your weekly diet. There are also various kelp teas and tinctures available at many health food stores. A few popular Asian dishes that incorporate kelp include Miyeok-guk and Tsukudani.

People who don’t like the taste of kelp could take a kelp capsule on a regular basis. Many doctors recommend adults with under-active thyroids take at most 600mg kelp supplements. A majority of manufacturers make kelp capsules that are 600mg or fewer, so it’s very easy to track your daily intake of kelp. Under U.S. federal law, iodine levels in all kelp capsules must be no more than 225mcg. Anything higher than 225mcg is considered unsafe for the general populace.

Another interesting way to incorporate kelp into your life is to take either a kelp bath or make a kelp body wrap. Nutritionists say you can really help the body absorb the nutrients in kelp by using this method everyday for at least six months. People who experience severe detox symptoms after first taking a kelp capsule should consider this less potent method to get the body acclimated to the healing powers of kelp. Numerous doctors claim that kelp wraps and baths really help people with electromagnetic field sensitivity.

In order to perform a kelp bath, you need a good source of powdered kelp, clean water, and whole-wheat flour. Once you have all the ingredients, just boil around seven cups of water, stir in a pound of kelp powder, and let the kelp simmer for at least one hour. Lastly, add the just a pinch of flour to make the kelp easier to stick onto the body. Once the mixture is complete, you simply get into a bathroom area, undress, and put the kelp all over your body. After about two hours, you can take the kelp off and put it in a container to be refrigerated. Experts say you can reuse this kelp wrap for at least one more day.

While kelp baths might not be as potent as kelp wraps, they are certainly more convenient and offer many health benefits. To do a kelp bath, simply boil water and add kelp powder as before. After the kelp has simmered for about an hour, pour it into a bathtub filled with warm water. There should be enough water in the tub just to cover our legs. After that, just soak in the kelp and relax. You can stay in here for up to an hour. After you’re done, doctors recommend leaving the kelp on for full benefit. However, if you feel the need to shower, you can. It’s best to repeat this bath procedure three times per week for one whole year.

What to Look for in a Good Kelp Supplement

The main thing to look for in a kelp supplement is whether or not the company added any bladderwrack to the product. Bladderwrack is another sea vegetable like kelp, however it is slightly toxic in high volumes. Some manufacturers try to pass off their product as kelp but actually use bladderwrack or some other form of seaweed as the main ingredient. One brand doctors say to avoid completely is called Maine Sea Coast Kelp. A few popular supplement brands experts recommend specifically for kelp include Nature’s Way, Ecological Formulas, and Azure Farm.

You should also check where in the world your kelp is coming from. Kelp coming from oceans without pollution is, of course, ideal. The pure ocean waters can actually add minerals and nutrients to your kelp product that will enhance its overall healing effect.

Note: Always speak with your doctor before taking any supplements featured on this website. This article has not been written, reviewed or endorsed by a medical professional and may not be used to diagnose or treat any medical conditions.