The patent for extracting the carb blocker from the common bean is for sale.

Bean extract can be used as a supplement to reduce blood glucose and as a carb blocker in dietary supplements. An improved method for making a p. vulgaris bean extract that results in an extract having high ?-amylase inhibitory activity and low hemagglutinin activity. The method involves treating the beans to selectively denature the hemagglutinin. A p. vulgaris bean extract is provided, having high ?-amylase inhibitory activity and low hemagglutinin activity. A treatment for diabetes or method for reducing blood glucose level is disclosed using the p. vulgaris bean extract disclosed herein.

APPLICATIONS
• Dietary supplement: healthy blood sugar, keto and weight loss
• Foods: reduce glycemic index
• Beverages: reduce carbs impact
• Pet food: diabetes and weight control

The global dietary supplements market size was valued at USD $151.9 billion in 2021 and is expected to expand at a compound annual growth rate (CAGR) of 8.9% from 2022 to 2030. Increasing consumer awareness toward personal health and wellbeing is expected to be a key driving factor for dietary supplements for the foreseeable future. The working population around the globe is struggling to fulfill the dairy nutrient requirements owing to hectic work schedules and changing lifestyles. Increasing dependence on the supplements to fulfill the nutrient requirement owing to their high convenience is expected to drive the market over the forecast period.