subcutaneous b12 injection sites Reel by @edupointmed (@edupointmed) · July 21, 2026 How to Inject Vitamin B12

We recommend getting B12 or B-Complex injections once a week to see full benefits Description BOOST YOUR IMMUNE SYSTEM Vitamin B12 injections are most commonly prescribed to prevent a deficiency or to treat a B12 deficiency in people with impaired ability to absorb nutrients

The main distinction comes down to where the injection is delivered: deep into the muscle or into the fatty tissue just beneath the skin

Individuals who are low in B12 may experience persistent fatigue, weakness, or lightheadedness, along with difficulties concentrating or a sense of brain fog

But, why is a bariatric surgery patient, especially those who got a gastric bypass surgery, more likely to suffer from vitamin B12 deficiency

Associated co-morbidities include epilepsy, bowel disorder, intellectual disability and type -I diabetes