"Metformin and Vitamin B12 Deficiency: Where Do We Stand?"
A class of peptic ulcer and antacid drugs called histamine H2 receptor agonists, including Tagamet, Zantac, and Pepcid Anticonvulsants including phenobarbital, primidone, and phenytoin Bile acid sequestrants including colestipol and cholestyramine, which lower cholesterol Chemotherapy medications like methotrexate Metformin, which is a diabetes drug Proton pump inhibitor drugs used to treat acid reflux, such as omeprazole (Prilosec), esomeprazole (Nexium), or lansoprazole (Prevacid) Tetracycline, an antibiotic Lastly, it is also essential that you communicate with your provider if you have kidney disease or an allergy to cobalt or any other medication, vitamin, dye, food, or preservative
Subcutaneous injection bypasses the gastrointestinal tract entirely
Vitamin B12 injections have become popular in recent years and have been shown to increase mood, boost immunity and aid in quality of sleep
Generic stock can pass USP spec on paper and still vary lot-to-lot in ways that show up at reconstitution