miglitol

noun

mig·​li·​tol ˈmi-glə-ˌtȯl 

: an antidiabetic drug C₈H₁₇NO₅ that is taken orally as a tablet in the treatment of type 2 diabetes and acts to slow the absorption of glucose in the small intestine by inhibiting enzymes that break down complex carbohydrates

Note: Miglitol is marketed under the trademark Glyset.