Vitamin B2, also known as Riboflavin, is one of eight water soluble B vitamins. Its role in the metabolic reaction is to help the body convert carbohydrates into sugar, which is "burned" to produce energy. As a co-active factor, B2 is also involved in re-methylation of homocycteine. Studies  

Zinc is an essential component of many enzymes that are involved in the metabolism of proteins, carbohydrates, lipids and energy. Zinc also helps methylate homocysteine. The enzyme DNA methyltransferase also contains zinc. Studies