Add Yahoo as a preferred source to see more of our stories on Google. MicroStockHub/Getty Images Most people focus on getting common vitamins like A, C or D from their diet and they end up overlooking ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including ...

Vitamin B12 is an essential nutrient that's often overlooked. Also known as cobalamin, vitamin B12 helps your body produce vital red blood cells and boost your energy levels, among other things.

Vitamin B12 for weight loss: Does it work? Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including vitamins for weight loss.

Vitamin B12 deficiency can be caused by poor diet or malabsorption, leading to fatigue, muscle weakness, and memory problems.

There are mixed claims when it comes to vitamin B12 shots or pills. Some say this supplement gives you energy and boosts your metabolism while other research has shown mixed results when it comes to ...