Amazon.com: NOW Supplements, Vitamin B-12 1,000 mcg with Folic Acid, Nervous System Health*, 250 Chewable Lozenges : Health & Household
GNC Vitamin B-12 500 mcg | GNC
Twinlab® B-12 Dots™ [Vegetarian Formula]- 500 mcg dots
Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply : Health & Household
Vitamin B12 500 mcg, Cherry Lozenges (100 lozenges) - Country Life Vitamins
Amazon.com: Nature's Bounty Vitamin B12 5000 Mcg Sublingual Liquid, Cardiovascular Health & Cellular Energy Support, 2 Fl Oz (1 Count) : Health & Household