Nature's Bounty Vitamin B2-100 mg - 100 Tablets Sale! from 998 /per Qty. Sold Out This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Riboflavin aids in the metabolism of carbohydrates, proteins, and fats to produce vital energy for the body Nature's Bounty Qty available:0 Tweet