Capsaicin (capsaicinoids and capsinoids) and weight
What 4 graded rows on capsaicin (capsaicinoids and capsinoids) agree on for weight, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Capsaicin (capsaicinoids and capsinoids) page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Capsaicin (capsaicinoids and capsinoids) page, with its PubMed record.
Your question
Capsaicin (capsaicinoids and capsinoids) and weight
4 rows · 1,771 peopleSplit. 1 row found an improvement, 2 found no difference and 1 had mixed results.
- CGrade C× 2
- DGrade D× 2
- Rows
- 4
- Trials
- 30
- People
- 1,771
- Pooled reviews may count some twice
Where they differ
From the rowsThe best-graded row, grade C, is a meta-analysis of 838 people (2022) and found no difference.
The row that found an improvement is newer (2023) than the 2 rows that found no difference (2003 to 2022).
1 row with mixed results is left out of this comparison.
The rows
1 improved · 2 no difference · 1 mixed- CGrade CBody weight and body fat (capsinoids) · No difference
Meta-analysis, 13 studies · n 838 · 2022 · Adults in randomized trials
Varied across trials · Varied
No effect on weight, BMI, waist, fat mass, visceral fat or body-fat percentage overall. A subgroup of trials in overweight people lasting 12 weeks or more showed a modest weight reduction.
Row on the Capsaicin (capsaicinoids and capsinoids) page · PubMed 36513480 (opens PubMed)
- DGrade DWeight regain after a diet (capsaicin, 3 months) · No difference
RCT · n 91 · 2003 · Moderately overweight adults after a 4-week very-low-energy diet
135 mg/day · 3 months
Weight regain did not differ from placebo (33.3% vs 19.2% of lost weight, P=0.09), though fat oxidation stayed higher with capsaicin.
Row on the Capsaicin (capsaicinoids and capsinoids) page · PubMed 13129472 (opens PubMed)
- CGrade CBody weight, BMI and waist in overweight adults (capsaicin) · Improved
Meta-analysis, 15 studies · n 762 · 2023 · Overweight or obese adults in randomized trials
Varied across trials · Varied
Versus control, body weight fell 0.51 kg, BMI 0.25 and waist 1.12 cm; waist-to-hip ratio did not change.
Row on the Capsaicin (capsaicinoids and capsinoids) page · PubMed 36938807 (opens PubMed)
- DGrade DWeight and abdominal fat (capsinoids, 12 weeks) · Mixed
RCT · n 80 · 2009 · Adults with BMI 25–35
6 mg/day · 12 weeks
Weight change did not differ from placebo (P=0.86), but abdominal fat fell more (−1.11% vs −0.18%, P=0.049). Fat oxidation was nearly significantly higher. Capsinoids were well tolerated.
Row on the Capsaicin (capsaicinoids and capsinoids) page · PubMed 19056576 (opens PubMed)