Does Spirulina has side effects?

Spirulina is an all-natural blue-green microalgae that gets its name from the spiraling shape it takes as it grows. It also happens to be one of the most nutrient-dense foods in the world, and one of the most complete sources of protein on the planet. Because of its incredible health maximizing benefits, it is a popular supplement for those looking to achieve optimum health. But, many who have never tried this remarkable nutrient source may wonder whether or not there are any spirulina side effects to worry about. Is it safe for consumption? Is there anybody who should not be taking this supplement?

The Side Effects of Spirulina

Spirulina is an all-natural and highly absorbable source of protein, carotenoids, phytonutrients, B-Vitamins, GLA, and essential amino acids. Because it is derived from a naturally occurring algae that is cultivated in a completely BioSecure Zone free of pesticides, herbicides, and GMOs, it does not produce any potentially dangerous side effects. 

It is important to note that Spirulina is an extremely pure form, and that not all manufacturers of its supplements follow our stringent protocols. Poor quality one often has ingredients and chemical fillers included that may reduce the quality of the product, and exacerbate certain side effects.
 

Is Spirulina Safe for Everyone?

While high quality spirulina is free of adverse side effects, it does contain iodine, so people who are allergic or sensitive to iodine should avoid taking the supplement. For this same reason, people with hyperparathyroidism should also avoid the supplement.

Those who are highly allergic or extremely sensitive to seafood or seaweed may also want to avoid taking spirulina, and people who are currently running a high fever should wait for the fever to subside before taking it.

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Souce: http://www.nutrex-hawaii.com/is-spirulina-safe