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Head-to-head evidence comparison — which supplement is right for you?
Ashwagandha vs Curcumin: Curcumin has the stronger overall evidence (7.5 vs 7.5/10); they're alternatives for reduce anxiety & stress — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Curcumin wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
13 of 13 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
10 of 13 studies with measurable effects showed benefit.
Top outcomes
300-600mg daily (standardized extract)
Morning for daytime stress, Evening for sleep support
KSM-66 or Sensoril standardized extract
500-1000mg daily (enhanced form)
With fatty meal
Enhanced absorption form: Longvida, Meriva, or BCM-95
2-4 weeks
2-4 weeks
2-4 weeks
First week
4-8 weeks
4-8 weeks
4-8 weeks
Immediate
Effects of Ashwagandha (Withania Somnifera) on stress and anxiety: A systematic review and meta-analysis
Explore (NY) (2024) · Meta analysis · n=873
Significant effect on the Perceived Stress Scale (PSS) (MD = -4.72, 95 % CI = [-8.45 to -0.99]).
Effects of Withania somnifera Extract in Chronically Stressed Adults: A Randomized Controlled Trial
Nutrients (2024) · Rct · n=131
Our findings demonstrate the stress-reduction capabilities of this well-characterized aqueous extract of WS (root and leaf) at the low dose of 125 mg/day, in a dose-dependent manner, via the modulation of the HPA axis.
Plant-derived nootropics and human cognition: A systematic review
Critical reviews in food science and nutrition (2023) · Systematic review
Bacopa monnieri improves language, learning and memory.
Comparative Effectiveness of Nutritional Supplements in the Treatment of Knee Osteoarthritis: A Network Meta-Analysis
Nutrients (2025) · Meta analysis · n=4599
Bayesian rankings indicated Boswellia had the highest probability of being most effective for pain and stiffness, with krill oil and curcumin showing potential for function improvement.
Curcumin on Human Health: A Comprehensive Systematic Review and Meta-Analysis of 103 Randomized Controlled Trials
Phytotherapy research : PTR (2024) · Meta analysis · n=7216
We meta-analyzed the effect sizes across eligible studies using the random-effects model.
Comparative efficacy and tolerability of nutraceuticals for depressive disorder: A systematic review and network meta-analysis
Psychological medicine (2025) · Meta analysis · n=17437
Adjunctive nutraceuticals consistently showed better efficacy than antidepressants (ADT) alone in outcomes including SMD, remission, and response.
Based on meta-analysis showing significant HAM-A score reduction (p=0.0007) and RCT evidence at 125mg dose. High heterogeneity (I2=98%) in pooled analysis suggests variable response. Extract standardization affects bioavailability.
Based on meta-analyses of arthritis and osteoarthritis studies. Effectiveness varies significantly by curcumin form - enhanced bioavailability formulations may show greater effects at lower doses. Limited high-quality RCTs available.
AI-estimated from published studies. Interpret as directional guidance.
Curcumin has a higher evidence score (7.5/10 vs 7.5/10) and wins in 2 of 3 categories.
For reduce anxiety & stress, Ashwagandha has a higher relevance score (95 vs 60).
No known interactions between Ashwagandha and Curcumin have been documented in our database. However, always consult a healthcare provider before combining supplements.
The honest tier list — proven staples vs situational vs mostly marketing. The hub the other guides feed into.
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Ashwagandha, L-theanine, magnesium, saffron — what actually helps stress, and the safety caveats.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.