B12 Injection DRIP AND DIP B12 Shots for Energy: Do They Work, Who Needs Them & What to Expect Greenwich Medical Spa Vitamin B 12 3000 mcg Injection, 100 mL Vitamin B12 for Injection Cyanocobalamin 1,000 mcg, 25 Box (Rx) Mountainside Medical Vitamin B12 (cobalamin) and folate (vitamin B9) are vitamins that serve important functions in the human body. Folate is needed for development and growth of cells (including red blood cells) and synthesis Vitamin B12 shots, microneedling, ear candling do any of these at home medical treatments work?