Vitamin B is a group of water-soluble vitamins essential for energy production, brain function, and red blood cell formation.

Previous research has shown that vitamin D deficiency can increase the risk of multiple sclerosis (MS) — and a new study ...

Some research suggests a possible link between depression and vitamin D deficiency. However, it’s not clear whether increasing vitamin D intake could relieve depression symptoms. Vitamin D is an ...

It took me less than a minute to register the kit ... Healthline Associate “I found out a few months ago that I had a severe vitamin D deficiency, so I started taking daily vitamin ...

Many people go about their daily lives unaware that their constant fatigue, aching joints, or poor memory could be linked to a serious vitamin deficiency. Some of these deficiencies creep in ...

New Research Deepens Understanding of How Vitamin K Affects Brain Health A paper from the Human Nutrition Research Center on ...

If you find that you are experiencing forgetfulness, having trouble concentrating, feeling drowsy mentally (brain fog), then it could be that you lack vitamin B12. As B12 is vital to mental ...

To put it simply (in fact, perhaps too simply!): Vitamin A deficiency causes you to be particularly vulnerable to infectious disease, including measles. Correcting that deficiency solves this problem.

Although your body will store excess vitamin A, some research shows having more than 1.5mg a day over many years may weaken bones. In older people, this can lead to fractures as they are more likely ...