Can vitamin B12 deficiency be a sign of cancer? Learn the symptoms, risks, connection to cancer, treatments, and why this ...

The Best Weight Loss Supplements for Women This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: The best ...

Vitamin B12 is essential for blood formation, nerve and brain function, and energy metabolism. Deficiency is common in vegetarians, older adults, and malabsorption states and causes fatigue, ...

Massive review finds vegetarian and vegan kids are leaner with better cholesterol, but face significantly higher vitamin and ...

A major review of international research suggests vegetarian and vegan diets can be suitable for children and teenagers, and ...

Some vitamins and supplements may be unknowingly disrupting your sleep, especially if they affect your energy levels. Here's what experts recommend to protect your rest.

A major new meta-analysis finds that vegetarian and vegan diets can support healthy growth in children when properly planned.

A new scientific review suggests that the form of vitamin B12 you take may influence how effectively your body can use it, ...

A 21-year-old university student develops a painful leg clot, then concentration problems, weakness, and sensory loss—until bloodwork and an MRI reveal severe vitamin B12 deficiency linked to an ultra ...

Injectable vitamins are being illicitly sold on the e-commerce platform Etsy, with one seller even surprising customers by ...

Brain fog and fatigue might not be aging. Check these 8 signs that your 'forgetfulness' is actually a Vitamin B12 deficiency.

Chapped lips in winter may signal vitamin B12, iron or zinc deficiency. Experts explain causes, symptoms and treatment options.