B12 Complex is an injection that contains all the B Vitamins in one injection.

B12 (Cyanocobalamin) may give you energy, weight loss, increase metabolism, lower cholesterol levels, better mood, balanced immune system and mental clarity. Vitamin B-Complex injections are recommended weeklyB12 (Cyanocobalamin) may give you energy, weight loss, increase metabolism, lower cholesterol levels, better mood, balanced immune system and mental clarity. Vitamin B-Complex injections are recommended weekly.