Alpha-glucosidase inhibitors act by:

a) Diminishing insulin resistance by increasing glucose uptake and metabolism in muscle and adipose tissues

b) Competitive inhibiting of intestinal alpha-ghucosidases and modulating the postprandial digestion and absorption of starch and disaccharides

c) Reducing the absorption of carbohydrate from the gut

d) Stimulating the beta islet cells of pancreas to produce insulin