Vitamin B12 (Cobalamin)   Supplements with Similar Uses View List by Use   Drugs that Interact Summary Phenobarbital Phenobarbital-containing Medications Phenytoin Phenytoin-containing Medications Tetracycline Tetracycline-containing Medications   Drugs that Deplete this Substance View List   Learn More About Nutrition	Look Up > Supplements > Vitamin B12 (Cobalamin) > Uses Supplements with Similar Uses as Vitamin B12 (Cobalamin) Below is a list of conditions that are treated by this supplement and the other supplements that may be used to treat it.   cardiovascular disease Betaine Bromelain Carnitine (L-Carnitine) Chromium Copper Cysteine Eicosapentaenoic Acid (EPA) Flaxseed Oil Omega-3 Fatty Acids Selenium Vitamin B1 (Thiamine) Vitamin B3 (Niacin)