Herbs & botanicals
Cayenne
Names you may see: capsicum capsaicin capsicum annuum
The quick take
Cayenne is a hot pepper. Its capsaicinoids are studied for effects on appetite and energy expenditure.
A closer look
What forms will I see on a label?
Pepper powder, capsaicin-containing extracts and non-pungent capsinoids are not identical preparations. Look for the named ingredient and standardization.
Why people use it
Marketed in weight-management formulas for increased calorie burning and appetite control, often under the term thermogenic.
These are common goals and marketing uses. The evidence section below explains what research supports.
What does the evidence tell us?
Any effects on energy expenditure or appetite are generally small. Evidence does not establish cayenne supplements as a substantial weight-loss solution.
What should I know before using it?
Concentrated products can cause burning sensations or digestive discomfort, particularly in people sensitive to spicy foods.
Sources & further reading
NIH Office of Dietary Supplements ↗
Content reviewed: September 30, 2026
General educational information. Follow the product label and seek individual advice when needed.