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 ...

The best time to take vitamin B12 depends on why you are taking it and in what form. Learn the best timing for your needs.

Feeling low-energy? You could be among the estimated 3.6% of Americans who are deficient and 12.5% who get insufficient ...