Does glycine just help some patients sleep better?
Does it really act to any significant degree on the NMDA receptors?
Does it help patients detox harmful deposits building up in their tissue?
Glycine is a nonessential amino acid found in many foods.
It’s back channel marketed (here?) as treatment for all sorts of random ailments.
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Glycine supplements have caused problems:
“The Food and Drug Administration no longer regards glycine and its salts as generally recognized as safe for use in human food and all outstanding letters expressing sanction for such use are rescinded.” § 170.50 Glycine (aminoacetic acid) in food for human consumption