Supports Blood Pressure and Blood Sugar Already in the Normal Range Glycostat is a clinically tested, patent pending, proprietary extract of wild bitter melon shown to be superior in published research. Bitter melon has been used traditionally to support cardiovascular and metabolic functions. Certain wild genotypes, including Glycostat, may positively influence the body’s nitric oxide and angiotensin converting enzyme (ACE) systems. Glycostat supports blood pressure and blood sugar already in the normal range.