Glycine is a precursor of glutathione, which is a powerful antioxidant to protect your body against free radicals and oxidative stress
Safety, Tolerability, and Who Should Consider This Dose A 40-unit maintenance dose is generally well-tolerated in individuals without contraindications, though gastrointestinal side effects (nausea, constipation, diarrhea) remain common, particularly during escalation
In contrast, increased levels of tyrosine hydroxylase (TH) were evident, regardless of BPA concentration (Supplementary Fig
Its unclear whether these changes stem from direct neurological effects or are byproducts of other health improvements
Otherwise, vitamin supplements are cheaper and safer than nootropics
This can impact training motivation and performance