B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

Subcutaneous (subQ or SQ) injections are shots given in the fatty tissue layer (subcutaneous fat) under your skin. Your skin has many layers, and the subcutaneous layer is beneath the epidermis and ...

B12 shots will benefit only those with a B12 deficiency and people with some underlying conditions. No research indicates that B12 shots will help with weight loss or benefit healthy individuals. B12 ...

The recommended intake of vitamin B12 for people older than 14 is 2.4 micrograms a day. People who follow a vegetarian or vegan diet may need vitamin B12 supplements. Vitamin B12 injections can treat ...

If you’re enrolled in Medicare, these shots will be covered by Part B if you have them at a doctor’s office or a clinic or Part A if you get them while hospitalized. If you have vitamin B12 deficiency ...