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Ingredient

Phosphatidylserine

Promising

A membrane phospholipid sometimes used for cognitive support in older adults.

How it works

Concentrates in neuronal membranes; may modulate neurotransmission and cell signalling.

Evidence

Several small RCTs in older adults report subjective cognitive support at 100-300 mg.

Studies

Kato-Kataoka et al., J Clin Biochem Nutr, 2010
300 mg/day improved memory performance in older adults with subjective cognitive complaints.
PubMed 20377818 ↗

One ingredient, one study, one product worth your money.

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