Research has found that early knee osteoarthritis patients with lower vitamin D levels showed higher levels of pain intensity, disability, and anxiety, as well as poorer social participation.

Oral supplementation with magnesium facilitates glucose absorption while increasing insulin levels to help alleviate the symptoms associated with diabetes, according to a systemic review of related trials.

Two omega-3 fatty acids found in fish oil may help improve brain function in older adults who have a type of heart disease known to put people at risk for cognitive decline.

Dietary and circulating vitamin C levels are inversely associated with metabolic syndrome, according to a new meta-analysis of observational studies.

Overwhelming evidence suggests a link between higher vitamin D levels and lower incidence and severity of COVID-19.

A review of 12 studies, including five randomized controlled trials, has been published in the journal Life, finding that vitamin C is effective at treating Covid-19.

A new review of 28 studies involving almost 5,500 people has found that taking supplemental zinc by mouth or as a nasal spray could ward off infection and may make people feel better more quickly.

Americans have turned to dietary supplements in record numbers over the past two years, with the numbers of users hitting new highs, according to a new consumer survey.