A new study finds that safe levels of vitamin D supplementation can promote longevity by reducing a certain type of cellular ...

Medically reviewed by Allison Herries, RDN Taking calcium supplements at the right time of day is essential for optimal absorption. Absorption also depends on factors like supplement type and dose, ...

Vitamin D is particularly important for women, supporting bone health and pregnancy. Learn about vitamin D, its benefits, how ...

New research suggests that vitamin D supplements may slow biological aging by protecting telomeres, the DNA caps linked to age-related disease and cellular health.

New research suggests vitamin D may help slow biological aging by reducing telomeres shortening, a key marker of cellular ...

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But ...

When we talk supplements, vitamin D doesn’t get the same spotlight as creatine or caffeine. It’s not flashy. You won’t find it splashed across a shaker bottle o ...

A 58-year-old woman with debilitating ankylosing spondylitis who was born to consanguineous parents was found to have an apparent severe vitamin D deficiency that did not respond to supplementation.

Discover how vitamin D3 influences everything from bone strength to mood. Learn the top 7 natural sources and how to ...

Long-term results from the Women’s Health Initiative have revealed associations between cancers and hormone therapy, supplements, diet, BMI, metabolic syndrome, and NSAIDs.

Cardio workouts help prevent the seasonal dip in vitamin D, especially the active type that boosts your immune system and ...

a major contributor can be high levels of the androgen hormone DHT. Spend too little time outdoors in direct sunlight. Low sunlight exposure reduces your body’s ability to produce vitamin D ...