Vitamin B Complex is made up of 8 essential B vitamins that play an important role in bodily functions. These include B1, B2, B3, B5, B6, B7, B9 and B12. Vitamin B complex supports everything from B Complex injectable, 30mL Defy Medical Vitamin Bar in Tucson & Green Valley, AZ Vitamin Injections Buy NEUROBION (Vitamins B1, B6, B12) CosmicNootropic Intas Vitamin B Complex Injection (B1+B2+B3+B6+B12+Lysine) 2ml for IM IV Use at 155 vial in Surat