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Head-to-head evidence comparison — which supplement is right for you?
Phosphatidylserine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
6 of 6 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Phosphatidylserine and Vinpocetine have evidence — compare verdict strength side-by-side.
100-300mg daily
With meals, Evening or post-workout for cortisol
Soy or sunflower-derived phosphatidylserine
10-30mg daily in divided doses
With food (improves absorption), Divided into 2-3 doses, Morning and early afternoon
Vinpocetine capsules or tablets
4-12 weeks
2 weeks
4-8 weeks
2-4 weeks
1-2 weeks
2-4 weeks
First few days
Effects of a food supplement containing phosphatidylserine on cognitive function in Chinese older adults with mild cognitive impairment: A randomized double-blind, placebo-controlled trial
Journal of affective disorders (2025) · Rct · n=190
A total of 190 participants (mean [SD] age, 67.95 [5.62] years; 70 (36.8 %) male and 120 (63.2 %) female) were randomized to the placebo group (n = 95) and intervention group (n = 95).
Phosphatidylserine containing omega-3 fatty acids may improve memory abilities in non-demented elderly with memory complaints: a double-blind placebo-controlled trial
Dementia and geriatric cognitive disorders (2010) · Rct · n=157
157 participants were randomized to receive either PS-DHA or placebo for 15 weeks.
Phosphatidylserine for the Treatment of Pediatric Attention-Deficit/Hyperactivity Disorder: A Systematic Review and Meta-Analysis
Journal of alternative and complementary medicine (2021) · Meta analysis · n=216
Four studies met the inclusion criteria for the narrative review (n = 344) and three for the meta-analysis (n = 216).
Efficacy and safety of herbal medicine on dementia and cognitive function: An umbrella review of systematic reviews and meta-analysis
Phytotherapy research : PTR (2023) · Meta analysis
Of these, 65% were rated critically low using AMSTAR2.
Neuroprotective Phytochemicals in Experimental Ischemic Stroke: Mechanisms and Potential Clinical Applications
Oxidative medicine and cellular longevity (2021) · Systematic review
Among them, scutellarin, pinocembrin, puerarin, hydroxysafflor yellow A, salvianolic acids, rosmarinic acid, borneol, bilobalide, ginkgolides, ginsenoside Rd, and vinpocetine show great potential in clinical ischemic stroke treatment.
The treatment of cognitive dysfunction in dementia: a multiple treatments meta-analysis
Psychopharmacology (2018) · Meta analysis · n=44854
The pooled standardized mean difference of the treatment effects on cognitive dysfunction was 0.439 (95% confidence interval 0.374, 0.504).
Based on RCT in 190 Chinese older adults with mild cognitive impairment and systematic review of neuronutrients. Limited by small number of direct studies and population-specific findings.
Based on stroke recovery and dementia studies. CAVIN trial (n=469) showed significant cognitive improvements. Meta-analysis found modest effect size (0.439 SMD). Limited data in healthy populations. Most evidence from clinical populations with cerebrovascular issues.
AI-estimated from published studies. Interpret as directional guidance.
Phosphatidylserine has a higher evidence score (6/10 vs 5.5/10) and wins in 2 of 3 categories.
For improve memory & learning, Phosphatidylserine has a higher relevance score (80 vs 60).
No known interactions between Phosphatidylserine and Vinpocetine have been documented in our database. However, always consult a healthcare provider before combining supplements.