Carlson Labs Moly-B Molybdenum 500 mcg. Carlson Labs Moly-B Molybdenum provides 500 mcg molybdenum per tablet from 20 mg molybdenum glycinate chelate and complex. Moly-B is prepared to aid in the absorption of molybdenum. The Molybdenum is chelated with glycine an important amino acid in human nut