Glucorest contains fermented black soybean extract, also known as touchi extract. Studies suggest that taking touchi extract before meals may help blunt the glycemic response, though further research is needed. Touchi extract has been shown to inhibit α-glucosidase in laboratory studies. In human studies, touchi consumption has not been associated with rTouchi extract has been shown to inhibit α-glucosidase in laboratory studies. In human studies, touchi consumption has not been associated with reported gastrointestinal discomfort.♦ Ingredients - One Tablet Supplies: Fermented Black Soybean (Glycine max) Extract† 300.00 mg Other Ingredients: Microcrystalline cellulose, croscarmellose sodium, silica, cellulose, stearic acid, and coating (water, hypromellose††, hydroxypropylcellulose††, and medium chain triglycerides). Contains: soy. †Also known as touchi extract. ††Plant-based modified cellulose.