Do capsinoids work?

Overall Effectiveness Rating for Capsinoids

The overall effectiveness rating for capsinoids is 2 out of 3. This rating means there is some evidence that using capsinoids may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.

Overall Confidence Rating for Capsinoids

There are 9 studies in the database on capsinoids; the confidence rating is 35. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for capsinoids as a whole. There are also individual ratings for the claims below.

Products Containing Capsinoids

Products Containing Capsinoids
Nano Shred Deluxe
Thermo Fitt
Nitraflex Burn
Physique Series Fat Burner
Full list of all 29 products containing Capsinoids.

Individual Claims

The overall ratings above do no necessarily reflect each claim about capsinoids. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Body Composition (weight, muscle, body fat) Claims Effectiveness Rating Confidence Rating
decrease body fat
increase fat burning
increase weight loss

Energy Balance (calories in & calories out) Claims Effectiveness Rating Confidence Rating
increase satiety
decrease calorie intake
suppress appetite
increase energy expenditure

Performance Claims Effectiveness Rating Confidence Rating
improve cycling performance
improve running performance
improve sprint performance
decrease fatigue
increase strength


Title of Study
Acute Capsaicin Supplementation Improves 1,500-m Running Time-Trial Performance and Rate of Perceived Exertion in Physically Active Adults
Acute Capsaicin Supplementation Improves Resistance Training Performance in Trained Men
Acute effects of a caffeine-containing supplement on bench press and leg extension strength and time to exhaustion during cycle ergometry
Capsaicinoids Supplementation Reduces Appetite and Body Circumferences in Healthy Men and Women A Placebo Controlled Randomized Double Blind Study
Effect of capsaicin supplementation on repeated sprinting performance
Effects of novel capsinoid treatment on fatness and energy metabolism in humans: possible pharmacogenetic implications
Effects of twelve weeks of capsaicinoid supplementation on body composition, appetite and self-reported caloric intake in overweight individuals
Enhanced energy expenditure and fat oxidation in humans with high BMI scores by the ingestion of novel and non-pungent capsaicin analogues (capsinoids)
Sensory and gastrointestinal satiety effects of capsaicin on food intake
Sensory and gastrointestinal satiety effects of capsaicin on food intake