Eating seaweed or taking marine extract supplements encourages scalp hydration, which revitalizes dry hair, and it can also increase hair mineralization, promoting thicker, stronger hair. For this people take seaweed pills to lose weight since fiber is also a natural hunger suppressant, which keeps you feeling full for longer. The Health Benefits of Seaweed and Kelp Supplements . A lot of research has focused on one particular carotenoid called fucoxanthin. What’s more, seaweed is highly nutritious, so a little goes a long way. Antioxidants can make unstable substances in your body called free radicals less reactive (19, 20). As studies have shown, brown seaweed is full of healthy nutrients that can provide a lot of benefits. If you think you are consuming too much iodine and experience symptoms like swelling around your neck region or weight fluctuations, reduce your intake of iodine-rich foods and talk to your doctor. This poses a health risk, as seaweed can also contain large amounts of toxic heavy metals such as cadmium, mercury and lead. Kelp is a type of seaweed found in ocean waters all over the world. Seaweed also contains an amino acid called tyrosine, which is used alongside iodine to make two key hormones that help the thyroid gland do its job properly (9). Seaweed may help reduce your cholesterol, blood pressure and risk of blood clots, but more studies are needed. Its iodine content varies greatly depending on the type, where it was grown and how it was processed. If possible, buy organic seaweed, as it’s less likely to contain significant amounts of heavy metals (56). Health benefits of seaweed include: Improves thyroid function. Seaweed contains fiber and sugars, both of which can be used as food sources for the bacteria in your gut. The Benefits of Seaweed and Why You Should Be Eating More of It Flavorful, nutritious, and sustainable: Sea vegetables are having a moment. Fiber helps balance out your digestive system, and is vital for having a healthy bowel movement. Seaweed or sea vegetables are forms of algae that grow in the sea. Omega-3 is vital for keeping your eyes, brain, and skin healthy. Thanks to its nutritional content, seaweed has been linked to a host of health benefits. Seaweed benefits have literally been life-saving at different times in history. The body doesn’t make iodine on its own, so you need to get it from food sources or supplements. These have been shown to protect your body’s cells from free radical damage (21, 22). For optimum health benefits, enjoy this ancient ingredient in regular but small amounts. With all of the health benefits listed above, and none of the risks of MSG, seaweed can be used to enhance flavor in many dishes that usually require MSG. That said, there is an ongoing debate about whether your body can absorb and use the vitamin B12 from seaweed (16, 17, 18). Healthline Media does not provide medical advice, diagnosis, or treatment. You may associate calcium mostly with dairy products, but apparently seaweed is like the cheese of the sea when it comes to calcium content. It may help with … Health Benefits Seaweed is an excellent source of iodine, a vital trace mineral that plays a critical role in thyroid health. Your thyroid relies on iodine to make hormones. Fucoxanthin, alginate and other compounds in seaweed may help reduce your blood sugar levels, consequently reducing your risk of diabetes. Each of these has its pros and cons. A healthy thyroid helps maintain healthy levels of energy and stabilizes body weight, which if we don’t feed our thyroid with the proper nutrients can lead to fatigue, body swelling, and sudden and uncontrollable weight change. These antioxidants protect your body from cell damage. Participants received a local seaweed oil that contained either 0 mg, 1 mg or 2 mg of fucoxanthin. 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