Riboflavin 3'',4''-Diphosphate is an analogue of Riboflavin Phosphate (R415000), 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).
