Best Supplements for Reduced HOMA-IR
Ranked by research evidence. Compare 45 supplements across 60 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- Moderate evidence4 studies
Across 4 studies, all 4 reported beneficial effects on reducing HOMA-IR, with predominantly small effect sizes. The evidence is strongest for adults with overweight or obesity, with one meta-analysis indicating that doses of ≥2 g/day are effective. Study durations were not consistently reported across the literature.
- Moderate evidence5 studies
Across 5 meta-analyses, 3 reported beneficial effects of vitamin D supplementation on reducing HOMA-IR, with effect sizes ranging from small to moderate. One study in children found a neutral effect despite a statistically significant reduction with vitamin D2 versus D3, while another in general populations reported a neutral non-significant result. The most studied population was clinical patients with diabetes or metabolic conditions, but dose ranges were inconsistently reported.
Product matchViva Naturals — Vitamin D3 with Organic Liquid Coconut Oil125 mcg · $15.16 · ★5.0 (208) - Moderate evidence3 studies
Across 3 studies, all reported beneficial effects on HOMA-IR, with effect sizes ranging from small to large. Two meta-analyses found large reductions (WMD -2.56, 95% CI: -3.82 to -1.30; MD -1.71, p=0.004), while a single RCT observed a small within-group decrease that was not statistically significant compared to the placebo (unfermented milk) group. The median study duration was 84 days (from one study).
- ModerateL-CarnitineAcross 4 studies, all 4 reported beneficial effects on reducing HOMA-IR, with predominantly small effect sizes. The evidence is strongest for adults with overweight or obesity, with one meta-analysis indicating that doses of ≥2 g/day are effective. Study durations were not consistently reported across the literature.4 beneficial4 studies
- ModerateVitamin DAcross 5 meta-analyses, 3 reported beneficial effects of vitamin D supplementation on reducing HOMA-IR, with effect sizes ranging from small to moderate. One study in children found a neutral effect despite a statistically significant reduction with vitamin D2 versus D3, while another in general populations reported a neutral non-significant result. The most studied population was clinical patients with diabetes or metabolic conditions, but dose ranges were inconsistently reported.3 beneficial2 neutral5 studies
- ModerateKefirAcross 3 studies, all reported beneficial effects on HOMA-IR, with effect sizes ranging from small to large. Two meta-analyses found large reductions (WMD -2.56, 95% CI: -3.82 to -1.30; MD -1.71, p=0.004), while a single RCT observed a small within-group decrease that was not statistically significant compared to the placebo (unfermented milk) group. The median study duration was 84 days (from one study).3 beneficial3 studies