(-)-Riboflavin-13C,15N2; 6,7-Dimethyl-9-D-ribitylisoalloxazine-13C,15N2; Beflavin-13C,15N2; Beflavine-13C,15N2; Flavaxin-13C,15N2; Flavin BB-13C,15N2; Flaxain-13C,15N2; Hyre-13C,15N2; Lactobene-13C,15N2; Lactoflavin-13C,15N2; Lactoflavine-13C,15N2; NCI 0033298-13C,15N2; NSC 33298-13C,15N2; Vitaflavine-13C,15N2; Vitamin B2-13C,15N2; Vitamin G-13C,15N2; Vitasan B2-13C,15N2;

One of the bioactive forms of Riboflavin. Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, leafy vegetables. Richest natural source is yeast. Minute amounts present in all plant and animal cells. Vitamin (enzyme cofactor).