Fortifying foods with new polymer particles containing vitamin A could promote better vision and health for millions of people.

Researchers found that patients who filled prescriptions for folic acid, also known as vitamin B9, experienced a 44% reduction in suicides.

An extensive meta-analysis suggests that vitamin D supplementation may alleviate depressive symptoms in adults with depression.

Scientists say for non-pregnant, otherwise healthy Americans, vitamins are a waste of money because there isn’t enough evidence they help.

Tomatoes gene-edited to produce vitamin D could be a simple and sustainable innovation to address a large global health problem.

Study of older adults is 'first direct evidence' of protection against rheumatoid arthritis, psoriasis, other conditions.