A folate deficiency is linked to a tripling in the chance of developing dementia in older people, research finds.

It's concerning enough that more than 40 percent of American adults meet the criteria for a clinical insufficiency in vitamin D (and a whopping 29 percent are straight-up deficient in the essential vitamin). But, disturbingly, a 2017 review shows that up to 96 percent of people diagnosed with breast cancer are also deficient in vitamin D.

People with diabetes should be routinely screened for vitamin C deficiency, as new research reveals it may help to reduce the risk of complications from the disease.

A multivitamin with folic acid, B vitamins, vitamin D, and CoQ10 may slow cognitive decline and neurodegeneration in the elderly.

Natural health campaigners have critiqued “gross irregularities” in the scientific process used by the European Food Safety Authority (EFSA) to consider halving the safe maximum daily limit of vitamin B6 from supplements.

A new study has found that people with higher omega-3 levels are more protected from severe COVID-19 infection.

Researchers have concluded that vitamin E offers potential as an alternative treatment for chronic insomnia disorder in postmenopausal women, as new data suggests it can improve sleep quality, thereby reducing sedative drug use.

Researchers with the University of Iowa are looking into how vitamin C could help cancer patients along with their normal treatments.