Spring Valley Timed-Release Vitamin B12 Tablets, 1,000 mcg, 60 Count - Walmart.com
Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply : Health & Household
Vitamin B-12 1000 mcg (60 tablets) B12 Supplement | Country Life Vitamins
Amazon.com: Superior Source No Shot Vitamin B12 Methylcobalamin 1000 mcg, Quick Dissolve MicroLingual Tablets, 60 Count, Active Form of B12, Supports Energy Production, Nervous System Support, Non-GMO : Health & Household
ProCaps Laboratories | Vitamin B12 100™
Active B12 Complete (All Active Forms of B12) | Methyl-Life™