Medically reviewed by Gurdeep S. Sareen, PharmD Key Takeaways Magnesium and vitamin B12 play essential roles in energy production in the body. Limited research supports taking magnesium and vitamin ...

The NHS recommends that "everyone should consider taking a daily supplement containing 10 micrograms (400IU) of vitamin D during autumn and winter” GQ's top pick of the best Vitamin D supplements ...

Vitamin D3 supplements are vital, supporting stronger immunity, bone health, and an active lifestyle with plant-based options ...

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 ...

Previous research has linked a common vitamin to a slowdown in aging — and now a new Harvard study appears to confirm those findings. The study, which was published in The American Journal of Clinical ...

Forbes contributors publish independent expert analyses and insights. Former editor of Robb Report, Debbi has written about luxuries from Asprey to Zegna.

Dear T.H.: Many people have strong feelings that vitamin B12 can dramatically improve their health, but it only helps to take vitamin B12 if you are deficient. Vitamin B12 deficiency isn't too common.

New evidence suggests giving pregnant women higher doses of vitamin D may help protect their babies from wheezing, but benefits don’t extend to supplements given after birth. Review: Vitamin D ...

Vitamin B12 is an essential nutrient that we need to maintain nervous system function and overall health. It's also a very popular dietary supplement, even though most people can get enough of it from ...

Vitamin B12 overdose is so rare that serious adverse effects from consuming large amounts of vitamin B12 have only been reported in a handful of studies in the medical literature. It’s effectively ...

Nial Wheate in the past has received funding from the ACT Cancer Council, Tenovus Scotland, Medical Research Scotland, Scottish Crucible, and the Scottish Universities Life Sciences Alliance. He is a ...