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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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chia seed and Reduced Waist Circumference

Research synthesisLow evidenceSmall effect3 studies · 3 beneficial · 0 neutral · 0 harmful

Across 3 studies, all reported beneficial small-sized effects of chia seed supplementation on reduced waist circumference. The evidence includes one meta-analysis with 500 participants showing a significant small reduction (g = -0.289) and a systematic review confirming a mean reduction of -2.82 cm. Although no specific dose or duration was consistently reported, effects were noted in overweight populations. Evidence base is small and overwhelmingly positive, suggesting preliminary support for a small beneficial effect.

  • Studied populations: overweight populations

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. The available literature is overwhelmingly positive, but clinical research in this area is subject to publication bias (null-result studies are less likely to be published or indexed). Study durations and specific doses were not consistently reported, limiting practical guidance.

Generated Jun 9, 2026
Safety in these studies
3 of 3 papers
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