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A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.
Direct side-by-side from the meta-analysis. Each row is an outcome where ≥2 of your selected supplements have pooled data. Best effect per row highlighted.
| Outcome | Alpha-GPC | B-Complex |
|---|---|---|
| Improve memory & learning — Working Memory + better · SD-units (composite) | +0.8 weak | +0.1best moderate |
600mg
Morning · with food (preferred)
Alpha-GPC 50% powder or capsules
1.5capsules/day
Morning · with food
Methylated B-complex (methylcobalamin, methylfolate)
1-2 hours
2-4 weeks
Acute
2-4 weeks
4-8 weeks
Immediate
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