Vitamin D, often referred to as the "sunshine vitamin," becomes increasingly important as we age. Not only does it play a big ...

Medically reviewed by Aviv Joshua, MS Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a vitamin D deficiency, or have levels ...

For every 100 IU of vitamin D ingested the blood level of 25-hydroxyvitamin D, the measure vitamin D status, increases by 1 ng/ml. It is estimated that children need at least 400-1000 IU of ...

The U.S. government’s recommended daily amount of vitamin D is 400 international units, or IU, for infants up to 12 months, 600 IU for people ages 1 to 70 and 800 IU for people over 70. Just over 5 ...

A 2022 national survey found that 13.5 percent of US adults said they felt "very tired" or "exhausted" most days or every day ...

Discover how magnesium and vitamin D work together to boost health. Learn about their roles, deficiencies, and how to achieve ...

Smart choices help optimize mood, energy levels and overall health, and reduce the surges of sluggishness you feel throughout the day.

This ‘sunshine’ vitamin is particularly important for a growing child as it is essential for bone and immune health.

Supplementing with calcium and vitamin D can help correct the damage caused by rickets. The American Academy of Pediatrics recommends a minimum daily intake of 400 IU of vitamin D for infants ...