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 ...

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.

Foods like crab, trout, salmon, seaweed, and clams are high in vitamin B12. These and other B12-rich foods can offer health benefits.

Hand tremors, whether random or frequent, can be alarming. It can be even more concerning when they impact your daily life and activities. While they’re mostly harmless, they can sometimes be a sign ...

Your body needs vitamin B12 for maintaining metabolism, producing DNA and red blood cells, keeping the nervous system healthy, and more (1, 2). Fortunately, most people get enough of this ...

This essential vitamin is generally considered safe, even at high doses. However, most people get enough B12 through diet alone, and unnecessary supplementing may lead to negative side effects.

From preventing anemia and shoring up energy to keeping you sharp and focused, there are many reasons why vitamin B12 is considered a key nutrient. Note: The U.S. Food and Drug Administration (FDA) ...

Vitamin B12 (cobalamin) is essential for the health of nerve tissue, brain function, and red blood cells. Sources include meat, eggs, and some yeast products. Vitamin B12 is the largest and most ...

Metformin is the first therapy for almost everyone with type 2 diabetes, but studies show that the drug creates a risk of vitamin B12 deficiency. Your clinician should test your B12 levels regularly ...

metformin molecule Long-term use of metformin may increase the risk of vitamin B12 deficiency and possibly other complications (anemia, neuropathy). Long-term use of metformin may increase the risk of ...

Vitamin C is a popular supplement, but it can interact with other supplements and medications like vitamin B12, iron, and ...