Sentry Manufacturing, a subsidiary of ITO EN, Japan, is one of the premier cGMP certified dietary supplement manufacturers in the United States. Our state-of-the-art manufacturing and testing facilities have the physical capacity and are also equipped with advanced equipment to produce products of the highest quality. Our extensive operations are housed in a 150,000 sq. ft. facility in Miami Lakes, Florida. Sentry offers comprehensive expertise in formulation and manufacturing of dry dosage supplements in the form of tablets, capsules and powders.