When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

Women between ages of 30 and 70 need about 600 international units, and once they're over 70, that number goes up to about ...

"Many Americans are deficient in vitamin D due to limited sun exposure from indoor lifestyles, sunscreen use and our northern ...

A Harvard study found that vitamin D supplements may help slow biological aging by protecting telomeres, the protective caps ...

Some expensive foods are eaten sparingly as they're considered indulgences. But this prized delicacy is packed with nutrients ...

MONDAY, June 2, 2025 (HealthDay News) -- Supplementation with vitamin D3 is associated with reduced telomere attrition in adults aged 50 years and older, according to a study published online May ...

If you’re considering taking vitamin D3, it’s important you always consult your doctor first. Your healthcare provider can order a blood test to check your vitamin D levels, which will ...

The two main forms of dietary vitamin D are vitamin D2 and vitamin D3. As a supplement, vitamin D3 has a higher bioavailability than vitamin D2, meaning it’s more easily absorbed into the gut ...

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.

When our skin is exposed to sunlight, it synthesizes vitamin D3 from cholesterol. Since this is a natural process, it makes sunlight the primary and most efficient source of Vitamin D for most people.

A 4-year VITAL trial shows that 2000 IU/day of vitamin D3 significantly reduces telomere shortening, offering promising anti-aging and cellular health benefits.

Vitamin D3 and omega-3 fatty acids not helpful in reducing risk of frailty. Sep 13, 2022. Study finds vitamin D supplements with or without Omega-3s decreased risk of autoimmune diseases.