why would someone need vitamin b12 injections Benefits of Taking 1. Improves Metabolism and Supports Weight Loss Many people suffer from a slow metabolism, causing weight gain and fatigue. With a B12 injection, you can boost Vitamin B12 Deficiency: Symptoms, Causes

Angiogenic support encourages small vessel growth, which brings nutrients to areas that often lag behind circulation

The most commonly reported side effects were mild and included headache, minor gastrointestinal disturbances (flatulence, mild diarrhea at high doses), upper respiratory symptoms, and mild injection site reactions

Very high daily doses of vitamin B12, ranging between 1000 and 2000 mcg, may effectively restore B12 levels within the body and positively impact depression symptoms

This could be due to older pets having more medical conditions requiring treatment and older pets being more used to receiving treatment