B12 Lipotropic Injections for Weight Loss Burn Fat, Boost Energy, Lower Cholesterol, Doctor Supervised RWLC Vitamin B 12 intramuscular injections are also used therapeutically to help restore energy and combat various symptoms related to such deficiencies. Vitamin B 12 is essential to the development of healthy blood cells, nerve Can B12 Lipotropic injections be combined with other treatments? Yes under medical supervision, these injections can be an important part of your wellness or weight loss program at Dr. Sattele's Rapid Weight Vitamin B12 Dosages: Your GoodRx Guide GoodRx