Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

Vitamin D is a fat-soluble vitamin and supplement that supports bone health and the immune system. Supplements like magnesium ...

In a large, randomized trial, researchers at Mass General Brigham found that high-dose vitamin D3 did not reduce COVID-19 ...

Vitamin D deficiency has become increasingly common despite abundant sunlight in many regions. Doctors link the trend to indoor lifestyles, pollution, limited sun exposure, and dietary gaps. Low ...

Taking vitamin C and D together boosts your immune system and supports bone health. Both vitamins may enhance wound healing and prevent infections.

Low vitamin D levels may affect your sex drive by influencing hormones, mood, energy, and blood flow. Learn how vitamin D deficiency affects libido and whether supplements can help.

Research has associated GLP-1 medications with vitamin D deficiencies, highlighting the importance of nutrition counseling ...

High-dose Vitamin D doesn't reduce acute COVID severity but shows a promising signal for reducing Long COVID and brain fog.

Overdoing it on this popular supplement can lead to a host of serious health issues, which one man learned the hard way. Per a study published in the journal BMJ Case Reports, the unidentified ...

Evidence from randomized trials suggests that calcium supplements may not significantly reduce fracture risk in well-nourished adults.

In a large, randomized trial, researchers at Mass General Brigham have found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes.

Vitamin D didn’t blunt COVID’s initial impact—but it may hold a surprising clue in the fight against long COVID.