Capsaicin in hot peppers can slightly increase calorie burning by triggering thermogenesis and activating receptors that make the body produce more heat and burn a few extra calories after eating.
Overview of the Effect
Eating capsaicin-containing foods can raise metabolic rate briefly and may increase fat oxidation and energy expenditure for a short period after a meal, producing a modest calorie‑burning effect rather than a large or sustained weight-loss solution.
How Capsaicin Affects the Body
Capsaicin binds to TRPV1 receptors, which signal heat to the nervous system and stimulate thermogenesis and sympathetic activity, sometimes activating brown adipose tissue and releasing catecholamines that boost metabolism temporarily.
Limits of the Metabolic Boost
Clinical evidence shows the metabolic increase is small and unlikely by itself to produce meaningful long-term weight loss; benefits are more plausible when combined with dietary changes, slowed eating, or other lifestyle measures.\p>
Practical Tips
- Use moderate spice: Add chilli to meals for a short-term metabolic lift and possible appetite suppression without relying on it as a sole weight-loss method.
- Combine strategies: Pair spicy foods with balanced diet and exercise to see realistic benefits.
- Know your tolerance: Avoid high amounts if you have reflux, IBD, or other digestive sensitivity and consult a healthcare professional if needed.
Quick Related Facts
- Active compound: capsaicin
- Main mechanism: thermogenesis via TRPV1 activation
- Effect size: small, short-lived increase in calorie burning