b12 intramuscular injection dosage Vitamin Cyanocobalamin 1000 mcg Multiple-Dose Vials — Mountainside Medical Vitamin B12 Cyanocobalamin 1,000 mcg

Vitamin injections are a fast-acting wellness solution that delivers essential vitamins and minerals directly into your muscles, bypassing the digestive system for maximum absorption and immediate benefits

Journal of Pharmacology and Experimental Therapeutics

Many experts suggest methylcobalamin for better absorption and quicker results, which is great for weekly B12 shots

HIGH ABSORPTION B12 COMPLEX: Our upgraded B12 formula combines Methylcobalamin (6000 mcg), Adenosylcobalamin (2000 mcg), and Hydroxocobalamin (2000 mcg), along with added Folate, Vitamin D3, Vitamin K2, Omega-3, Calcium, Magnesium Glycinate, and Zinc for more complete support