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

The red blood cells that course through your veins, the protective covering that surrounds your nerve fibers and the genetic information that is tightly packed into your cells all rely on one key ...

Some medications, limited diets, and health conditions can deplete your B12 levels. This essential vitamin can support brain ...

Malabsorption refers to the reduced absorption of nutrients from the intestine into the bloodstream. It can affect the body’s ability to absorb all nutrients or some specific types of nutrients.

Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

Low vitamin B12 levels can quietly impact your energy, brain, and body—often long before you realize something is wrong.

Vitamin supplement absorption depends on many factors, including supplement formulation, your diet, health conditions, and pill coatings that may affect dissolution. Your body can store fat-soluble ...

Vitamin B12 is an essential nutrient for good health. Some of the best sources of vitamin B12 include meat, fish, eggs, fortified foods, and supplements. It may also be advisable to limit or avoid ...

A new scientific review weighs natural and synthetic forms of vitamin B12, revealing where methylcobalamin may outperform standard supplements and why deficiency remains a clinical blind spot. Study: ...

Vitamin B12 is one of those nutrients most people rarely think about until the body begins to notice its absence. Essential for nerve function, red blood cell formation, brain health, and energy ...

Vitamin B12 is essential for red blood cells, DNA synthesis and your cognitive health. Taking your vitamin B12 supplement at breakfast time may help with efficacy. While side effects are rare, vitamin ...