Research
Energy balance
Long-term capsaicin supplementation (135 mg/day) increases fat oxidation and restores resting energy expenditure after weight loss, but does not prevent weight regain in moderately overweight individuals.
Taking 135mg of capsaicin daily after losing weight will help your body burn fat more efficiently, but it will not stop you from regaining weight if you eat too much. It is a metabolic support tool, not a weight-loss guarantee.
GoodQualifiesHIGH confidence
These results indicate that capsaicin treatment caused sustained fat oxidation during weight maintenance compared with placebo. However, capsaicin treatment has no limiting effect on 3-month weight regain after modest weight loss.
Why this rating
Randomized, double-blind, placebo-controlled trial with a relatively long duration (3 months maintenance) and moderate sample size (n=91 analyzed).
Source
Effect of capsaicin on substrate oxidation and weight maintenance after modest body-weight loss in human subjects
M P G M Lejeune et al. · British Journal Of Nutrition · 2003
DOI 10.1079/bjn2003938
rct · n=91Cited 237×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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