Getting a good night's sleep is a top priority for many, as it plays a key role in reducing stress and supporting health.

Exhaustion is the number-one sign of a vitamin D deficiency. So if you’re feeling tired—even when you’ve gotten enough ...

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, ...

The best supplements to balance hormones include magnesium, calcium, omega-3 fatty acids, vitamins D, B6, and B12, adaptogens ...

Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

Here are the top 5 warning signs of vitamin D deficiency, including fatigue, frequent illness, and mood changes. Spot the ...

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 ...

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 ...

Research warns that one widely used vitamin D supplement may unintentionally lower the body’s natural D3 levels.