WHAT IS WHITE KIDNEY BEAN? White kidney bean extract (phaseolus vulgaris) is often known as a \'carb blocker\' as it helps to eliminate calories from starchy foods, giving an overall reduction of calorific intake. OUR WHITE KIDNEY BEAN EXTRACT SUPPLEMENT Our white kidney bean extract supplement contains nothing but the pure ingredient. EXCIPIENT FREE Our White Kidney Bean Extract supplement comes in the form of a vegetable cellulose capsule. This enables us to offer a supplement that does not require excipients, binders or unnatural fillers. A vegetable cellulose capsule is designed specifically to break down naturally within the acid of your stomach, ensuring that the nutrients are absorbed during digestion.