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 ...

Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of people under age ...

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 ...

Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including vitamins for weight loss. One in particular, vitamin B12 supplements ...