"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 ...

We asked dietitians to break down the potential benefits of essential nutrient vitamin D3. ... of vitamin D3 is between 600 IU to 800 IU ... intake of vitamin D for adults is 4,000 IU per ...

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.

A 3.5-ounce serving of cooked salmon can give you upwards of 500 IU of vitamin D—well over half the daily recommendation. Go for wild-caught if possible; it packs more D than farmed.

Discover the essential daily intake of vitamin D to promote bone health, boost immunity, and improve overall well-being. Learn about sources, benefits, and the importance of vitamin D for all ages.

The NHS says 10 micrograms (μg), or 400 International Units (IU), is the correct vitamin D supplement dosage for most people. Babies up to the age of one year old need between 8.5 and 10 ...

NatureWise Vitamin D3 is available in 1,000 IU, 2,000 IU, 4,000 IU, or 5,000 IU pills (all of which are higher than the recommended daily value for most adults). [ 5 ] ...

One group received the optimal dose of 400 IU, another took 4,000 IU per day, and the third took 10,000 IU per day. Taking too much vitamin D can cause a range of uncomfortable symptoms (Image ...

The recommended daily intake for adults is 600-800 IU, not exceeding 4,000 IU unless prescribed. Watch for symptoms of toxicity and consider natural sources of vitamin D.

The recommended daily intake of Vitamin D is 400 IU for infants, 600 IU for children and adults, and 800 IU for the elderly. If dietary intake and sun exposure are insufficient, supplements may be ...

The recommended daily allowance of vitamin D varies by person. ... (IU) daily, while adults 70 and up should have 800 IU of the nutrient, according to the National Institutes of Health (NIH).