GNP Vitamin B-12 1000 MCG Prolonged Release - 60 tablets Sale! from 409 958 /per Qty. Add to Cart 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. GNP Vitamin B-12 1000 MCG Prolonged Release - 60 tablets Qty available:1 Tweet