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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

A small RCT of soy-derived phosphatidylserine at 200 mg/day in children with ADHD reported significant improvements in ADHD symptoms and short-term auditory memory.

Studies

  • Hirayama et al., J Hum Nutr Diet, 2014

    200 mg/day soy-derived phosphatidylserine for 2 months significantly improved ADHD symptoms and short-term auditory memory versus placebo in 36 children aged 4-14.

    PubMed 23495677

Top products

Sorted by effective monthly cost

Now Foods Phosphatidylserine 100 mg

Now Foods

Per serving
100 mg
Studied midpoint
200 mg · 2/day

Effective cost

$0.93/day·$28/month

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