Lipo Injections: How Often Should You Take Them? Invigor Medical Gym goers spending monthly on vitamin B and C injections Have a f*cking word with yourself. Both are water soluble, so don't stick around for long in your system (12 14hrs) hence How Often Should I Take Vitamin B12 Injections Private Vitamin B12 injection service 29 Yorkshire How Often Should You Get B12 Injections? A Realistic Schedule ELLEMES Medical Spa