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| Form | Bioavailability | Best For |
|---|---|---|
| Phase 2 (patented extract) | N/A (acts in GI tract) | Most clinically studied branded form — standardized alpha-amylase inhibition |
| Generic White Kidney Bean Extract | Variable | Budget alternative — quality and potency may vary |
Bioavailability: N/A (acts in GI tract). Best for: Most clinically studied branded form — standardized alpha-amylase inhibition.
Bioavailability: Variable. Best for: Budget alternative — quality and potency may vary.