Life Extension Vitamin B12 Methylcobalamin 500mcg - Vitamin B12 Supplement For General Energy and Brain Health - Sugar Free Vegetarian Lozenges Dissolve in Your Mouth - Once Daily - 100 Count
 
Read what 1500 buyers says about this product - https://www.amazon.com/Life-Extension-B12-Dissolving-lozenges/dp/B00028N1QU/