Half of US adults take this health-boosting supplement, but taking it in the evening may not be the best decision for your sleep.

A new study shows that vitamin D2 may reduce vitamin D3 levels, suggesting D3 is the more effective supplement for immune and overall health. A new study conducted by the University of Surrey, the ...

Pairing vitamin D and magnesium at dinner offers a powerful, uncomplicated wellness routine. This combination, taken with ...

People who are on the lower end of normal or just below normal may benefit from taking 5,000 to 10,000 IU of vitamin D, ...

Vitamin D deficiency is common in children with severe obstructive sleep apnea (OSA) and is associated with increased OSA severity. Lower serum 25-hydroxyvitamin D levels correlate with higher ...

If you’ve ever wondered when’s the best time to take vitamin D, you’re not alone. Vitamin D is one of the most popular ...

We’re nearing the end of what’s been a long winter for people in many parts of the United States. In the middle and northern regions of the U.S., where winter brings not only cold but limited sun, ...

In a multivariable analysis of kids who were undergoing adenotonsillectomy, obstructive Apnea-Hypopnea Index (AHI) scores (which range from ≥5 to ≥30 apnea and hypopnea events per hour) were ...

We know that diet and sleep are deeply connected. But the truth is, we don’t know nearly enough yet about how individual nutrients impact our sleep. Here, I look at five vitamins that appear to play a ...

Like the sunshine itself, the “sunshine vitamin,” aka vitamin D, is crucial for our overall health. The vitamin, which is ...