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Head-to-head evidence comparison — which supplement is right for you?
CBD vs Curcumin: Curcumin has the stronger overall evidence (7.5 vs 5.8/10); they're alternatives for inflammation-related symptoms — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Curcumin wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
Top outcomes
Verdict
Probably helps
3 of 5 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both CBD and Curcumin have evidence — compare verdict strength side-by-side.
OTC wellness: 10-50mg/day (some anxiety studies used higher acute doses ~300mg); take with a fat-containing meal (increases absorption several-fold). Prescription Epidiolex for epilepsy is dosed by body weight under medical supervision. (the 10-50mg figure is a typical label dose, the cited trials used 150 mg nightly, or 10 to 20 mg per kg a day of prescription cannabidiol for epilepsy)
With meals, Evening
CBD oil/tincture (third-party tested for potency and purity)
500-1000mg daily (enhanced form)
With fatty meal
Enhanced absorption form: Longvida, Meriva, or BCM-95
and 2 more not shown
Acute-4 weeks
1-8 weeks
Weeks
Acute
4-8 weeks
4-8 weeks
4-8 weeks
Immediate
Trial of Cannabidiol for Drug-Resistant Seizures in the Dravet Syndrome.
The New England journal of medicine (2017) · Rct · n=120
Convulsive seizures fell from 12.4 to 5.9/month with CBD vs 14.9 to 14.1 with placebo
Cannabidiol in patients with seizures associated with Lennox-Gastaut syndrome (GWPCARE4): a randomised, double-blind, placebo-controlled phase 3 trial.
Lancet (London, England) (2018) · Rct · n=171
Significant reduction in drop-seizure frequency vs placebo
Effect of Cannabidiol on Drop Seizures in the Lennox-Gastaut Syndrome.
The New England journal of medicine (2018) · Rct · n=225
Fewer drop seizures vs placebo
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.
Curcumin has a higher evidence score (7.5/10 vs 5.8/10) and wins in 3 of 3 categories.
For inflammation-related symptoms, Curcumin has a higher relevance score (90 vs 15).
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 right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.