Some of the many variants sold today promise to penetrate our gray matter, but biology isn’t in the habit of respecting marketing declarations.
Source: https://www.wired.com/story/magnesium-may-not-reach-your-brain-despite-supplement-label-promises/

Some of the many variants sold today promise to penetrate our gray matter, but biology isn’t in the habit of respecting marketing declarations.
Source: https://www.wired.com/story/magnesium-may-not-reach-your-brain-despite-supplement-label-promises/