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Head-to-head evidence comparison — which supplement is right for you?
Curcumin vs Vitex: Curcumin has the stronger overall evidence (7.5 vs 7/10); they're alternatives for support mood — 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
Probably helps
3 of 5 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
3 of 4 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Curcumin and Vitex have evidence — compare verdict strength side-by-side.
500-1000mg daily (enhanced form)
With fatty meal
Enhanced absorption form: Longvida, Meriva, or BCM-95
20-40mg extract (standardized to 0.5% agnuside). The cited trials used 20 to 30 mg of extract a day.
Morning, Consistently at same time daily
Standardized extract (0.5% agnuside or 0.6% aucubin)
and 1 more not shown
4-8 weeks
4-8 weeks
4-8 weeks
Immediate
1-3 cycles
2-3 cycles
1-2 cycles
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
Network meta-analysis of 192 trials in 17,437 adults with depressive disorder, covering 44 nutraceuticals.
Vitex agnus-castus in premenstrual syndrome: A meta-analysis of double-blind randomised controlled trials
Complementary Therapies in Medicine (2019) · Meta analysis · n=520
Out of 21 clinical trials, three double-blind placebo-controlled studies (520 females) met the reporting criteria, testing the characterised extracts Ze 440 and BNO 1095.
Herbal medicine for depression and anxiety: A systematic review with assessment of potential psycho-oncologic relevance
Phytotherapy research : PTR (2018) · Systematic review
Overall, 45% of studies reported positive findings with fewer adverse effects compared with conventional medications.
A Critical Approach to Evaluating Clinical Efficacy, Adverse Events and Drug Interactions of Herbal Remedies
Phytotherapy research : PTR (2016) · Review
A critical narrative review of published systematic reviews and meta-analyses of herbal remedies. It pools no data of its own.
The points come from one dose-finding RCT of the Ze 440 extract in 162 women with PMS over three cycles, at 8, 20 or 30 mg a day (PMID 23022391). Total symptom scores improved more at 20 mg than with placebo or 8 mg, and 30 mg did not improve them further than 20 mg, so the curve is flat above 20 mg. All three doses were well tolerated, and no higher dose of this extract was tested. A meta-analysis of 3 trials of characterised extracts (Ze 440, BNO 1095; 520 women) found Vitex users 2.57 times more likely to remit (PMID 31780016). A broader pooled effect was large but rated explorative because of high risk of bias, heterogeneity (I² 91%) and publication bias (PMID 28237870).
AI-estimated from published studies. Interpret as directional guidance.
Curcumin has a higher evidence score (7.5/10 vs 7/10) and wins in 2 of 3 categories.
For support mood, Vitex has a higher relevance score (90 vs 70).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The honest tier list — proven staples vs situational vs mostly marketing. The hub the other guides feed into.
Curcumin, omega-3, UC-II collagen, Boswellia vs the old glucosamine default — and OA vs RA.
When to take what, with or without food, and which supplements compete vs pair well.
The transition years (40s): cycle changes, mood, sleep, brain fog — foundations, vitex, and starting muscle work early.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.