This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: There’s not much research on B12 shots for weight loss ...

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 ...

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 deficiency causes symptoms like fatigue, sore tongue, constipation, and confusion. B12 deficiency is caused by a lack of dietary B12 or pernicious anemia, which affects B12 absorption. To ...