White Kidney Bean Extract (Phaseolamin)
Metabolism & weight managementFunction & benefits
An extract containing the inhibitor protein phaseolamin, which temporarily blocks the starch-digesting enzyme alpha-amylase, partly reducing the conversion of complex starches into simple sugars and passing some of them to the colon as fibre.
Dosage & how to use
| Recommended dose | 1000–1500 mg |
| Best time to take | 10–15 minutes before starchy meals with a glass of water |
| Frequency | 1–2 times daily with starchy meals |
Best forms to choose
Extract standardized for amylase-inhibiting activity and clinically studied (such as Phase 2®); avoid unstandardized raw powders.
Important warnings
It only works on complex starches, not on simple sugars
May cause gas, bloating and loose stools
It does not replace a balanced diet
Drug interactions
It may lower blood sugar after starchy meals; monitor readings with diabetes medication and insulin.
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Scientific references
- Barrett ML, Udani JK. Nutr J 2011 (review of clinical studies) — PMID: 21414227
Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)
⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.