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Index/Topics/Capsaicin

Capsaicin

The effects of capsaicin on energy expenditure and appetite

Fact-Checks

3 results
Jan 13, 2026

Which human studies isolate capsaicin or capsaicinoids and what magnitudes of energy‑expenditure change were observed?

Capsaicin and non‑pungent capsaicinoid analogues (capsinoids) have been isolated and tested in multiple human trials and pooled in several meta‑analyses; most papers report small but measurable increa...

Jan 11, 2026

What independent studies exist on green coffee extract and other common 'metabolism booster' ingredients?

Independent human studies of green coffee extract (GCE) and its main active, chlorogenic acid (CGA), produce mixed signals: several randomized controlled trials and multiple meta-analyses report small...

Jan 7, 2026

What peer‑reviewed evidence exists for common ingredients claimed to boost metabolism in over‑the‑counter weight loss supplements?

Peer‑reviewed clinical reviews and meta‑analyses show a mixed, mostly modest body of evidence that a handful of common over‑the‑counter ingredients—caffeine and green tea catechins (often together), s...

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