Is there a link between vitamin D and depression?

What's the Difference Between Vitamin D and D3?

What Is the Link Between Vitamin D and COVID-19?

Mysterious Link Between Vitamin D And COVID-19 Reaffirmed in 'Striking' New Findings

Vitamin D and marine omega 3 fatty acid supplementation and incident autoimmune disease: VITAL randomized controlled trial

Vitamin D and Fish Oil Supplements May Reduce Risk of Autoimmune Disease – Rheumatoid Arthritis, Psoriasis, and Thyroid