How B12 Injections Can Be Used to Support Your Weight Loss Journey KenshDerm 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 Side Effects of B12 Injection (Common and Serious) Credihealth Vitamin C Injection T P: Uses, Dosage & Side Effect MIMS B12 Injection Frequency: How Often Should You Get a B12 Shot? Liv Hospital