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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 | Ashwagandha | L-Theanine |
|---|---|---|
| Reduce anxiety & stress — Perceived Stress − better · points (PSS-10) | −6.1 weak · CI ∋ 0 | −2.0best weak |
450mg
Any time · with food (preferred)
KSM-66 or Sensoril standardized extract
200mg
Any time
Suntheanine® capsules or powder
2-4 weeks
2-4 weeks
2-4 weeks
30-60 minutes
30-60 minutes
30-60 minutes
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