how much b12 is in the injection Injections B12 Shots Dosage for Adults:

Match your method to these guidelines for best results

Your body needs it for: forming red blood cells and carrying oxygen to tissues, maintaining nerve-cell integrity including the myelin sheath, converting food into usable energy in your cells

Injectable forms bypass the gastrointestinal tract, making them particularly valuable for individuals with malabsorption conditions such as pernicious anaemia, Crohn's disease, or following gastric surgery

A high intake of B6 from food may be associated with lower risk of cancer

The best result was a modest 2.6 kilograms in a short trial, and that result did not hold up in the larger, longer study designed to confirm it