Potential neurotoxicity is another concern regarding spirulina supplements.
Image thanks to Jennifer.
What about Spirulina? The reason I told everyone to throw their spirulina away was that it was found to produce hepatotoxins. While blue-green algae has the brain toxins; spirulina can have liver toxins. Should we continue to avoid the stuff? Yes, now spirulina can boast neurotoxins as well—last year a potent neurotoxin was found in spirulina for the first time.
To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by veganmontreal.
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For some context, please check out my associated blog post: Vitamin B12: how much, how often?
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