BioStacks

Best for Brain

Best PS for Brain

Rankings coming soon · Reviewed May 2026 · 300–800 mg clinical dose

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 300800 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

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