Comparison 1. Chromium (all dosages) versus placebo.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Change in weight at 12‐16 weeks | 6 | 392 | Mean Difference (IV, Random, 95% CI) | ‐1.07 [‐1.73, ‐0.42] |
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