Spirulina Nutrition Facts: Another Update on Spirulina. Subscribe for free to Dr. Greger’s videos at bit.ly DESCRIPTION: Potential neurotoxicity is another concern regarding spirulina supplements. Have a question about this video? Leave it in the comment section at nutritionfacts.org and I’ll try to answer it! For some context, please also check out my associated blog posts Breast Cancer Stem Cells vs. Broccoli (nutritionfacts.org and The Best Foods: Test Your Nutrition Knowledge (nutritionfacts.org Have a question for Dr. Greger about this video? Leave it in the comment section at nutritionfacts.org and he’ll try to answer it!