Primary Research · 1991
Effect of phosphatidylserine in age-associated memory impairment
Crook TH, Tinklenberg J, Yesavage J, et al. · Neurology, 1991
Key finding
12-week double-blind RCT (n=149) in age-associated memory impairment found 300mg/day bovine-source phosphatidylserine improved learning and memory vs placebo — one of the landmark early cognition trials.
About the supplement
Phosphatidylserine (PS)
Dose · mechanism · evidence grade · safety →
Read the paper
Open on PubMedhttps://pubmed.ncbi.nlm.nih.gov/2041575/
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