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White Kidney Bean Extract Side Effects & Safety

Evidence:Moderate
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This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Gas and bloating (from undigested starch reaching the colon and being fermented)
  • Diarrhea or loose stools at higher doses
  • Abdominal discomfort

Drug & Supplement Interactions

  • Alpha-glucosidase inhibitors (acarbose) — additive carb-blocking effects; may cause excessive GI symptoms
  • Diabetes medications — may enhance blood sugar lowering from carb meals

Maximum Dose

Do not exceed: 3,000 mg/day has been used safely; typical regimen is 500-1,000 mg before 2-3 meals

Full White Kidney Bean Extract Guide

References

  1. Meta-analysisOnakpoya I, Aldaas S, Terry R, Ernst E (2011). The efficacy of Phaseolus vulgaris as a weight-loss supplement: a systematic review and meta-analysis of randomised clinical trials. British Journal of Nutrition. DOI PubMed
  2. RCTJäger R, Abou Sawan S, Purpura M, Grube B, et al. (2024). Proprietary alpha-amylase inhibitor formulation from white kidney bean (Phaseolus vulgaris L.) promotes weight and fat loss: a 12-week, double-blind, placebo-controlled, randomized trial.. Scientific reports. DOI PubMed