BioStacks
Best PS for Brain
Top 1 products ranked
Last reviewed May 2026
Clinical dose: 300–800 mg
Why PS for Brain
PS plays a supporting role in brain. Phosphatidylserine is a phospholipid concentrated in brain cell membranes. RCTs show it can blunt cortisol response to physical and mental stress at 400–800 mg/day.
What dose to look for
Clinical studies typically use 300–800 mg of ps. 400 mg minimum effective dose in cortisol-blunting RCTs; 300 mg allows partial credit on dose curve. Products below this range may not deliver meaningful results.
What the research says
PS has moderate clinical evidence for brain benefits. Several clinical trials show cortisol-blunting effects at 400-800mg/day under stress conditions Learn more
