b12 5000 mcg injection Cyanocobalamin for injection 1000 mcg Multiple-Dose Vials 1mL x 25/Tray (Rx) Avoid exposure to light. Vitamin B12 Injection - 10mL

Where you see weight-loss B12 protocols marketed (especially in the United States), they are almost always paired with calorie restriction and other interventions doing the actual work

Intramuscular (IM) Injection Technique and Sites Intramuscular injections are common for vitamin B12

Biotin Injection Biotin (Vitamin B7) is a water-soluble B vitamin that acts as an essential cofactor for carboxylase enzymes involved in fatty acid synthesis, gluconeogenesis, and amino acid metabolism

However, keeping track of your symptoms can help you and your healthcare provider determine whether your response requires further investigation