Also known as: PS
Latest evidence update: 2026-03-23
Strongest in Consistency (86). Held back by Recency (22).
Solid mix of RCTs with some methodological gaps.
Good cross-study replication, some imprecision.
Thousands of participants across the literature.
Studies agree on direction of effect.
Mostly pre-2020 research; updates may be needed.
No quantified outcomes for Phosphatidylserineyet. Once the corpus has studies with measurable endpoints, you'll see per-outcome magnitude here.
Recommended: 100-300mg daily
ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.
Supports memory formation, retrieval, and learning ability
May reduce inattention symptoms in children with ADHD, though effects on overall ADHD symptoms are inconsistent
Supports focus, concentration, and attention abilities
May help reduce carpal tunnel syndrome pain and symptoms when combined with other nutrients
Supports healthy nerve cell structure and may slow age-related brain changes