Studying the impacts of maternal B complex vitamin injection on performance, metabolic diseases, hematological parameters, and antioxidant status in pregnant Sannen goats and their newborn kids during the transition period ScienceDirect Troy Vitamin B12 Injection 100 mL Troy Laboratories Vitamin B 12 for Animal Use Generic (brand may vary) Valley Vet Supply Safe.Pharmacy Vitamins Never use the rear leg as an injection site because you can hit a nerve and make your goat lame. The best places to give injections are the sides of the neck and "armpit" area just behind the front Vitamin B 12 3000 mcg Injection, 100 ml