B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Not all supplements work the same and when you take them can make a big difference! Swipe through this supplement guide to learn the best timing, how to take them safely, and Sandoz Vitamin B12 Injectable Solution 1000 mcg 10 mL Vitamin B12 Methylcobalamin B12 Injection in Beverly Hills, Arcadia and Los Angeles County California Infusion Centers Compounded Hydroxocobalamin (Vitamin B12) Injection Vitamin B12: How Frequently Should I Get It? URBAN Medical Fishersville, VA and Gilbert, AZ