Frontiers Vitamin A deficiency and vitamin A supplementation

Effects of subclinical infection on plasma retinol concentrations and assessment of prevalence of vitamin A deficiency: meta-analysis - The Lancet

High‐dose Vitamin B6 supplementation reduces anxiety and strengthens visual surround suppression - Field - 2022 - Human Psychopharmacology: Clinical and Experimental - Wiley Online Library

Frontiers Vitamin D, Depressive Symptoms, and Covid-19 Pandemic

Vitamin D deficiency: a potential risk factor for cancer in obesity?

Dermatologic Manifestations of Vitamin A Deficiency: Practice Essentials, Background, Pathophysiology

Vitamin D Pills Don't Prevent Bone Fractures, Osteoporosis: Study

Vitamin B6 and COVID-19: Experts call for clinical studies to validate evidence / demonstrate potential

Deficient in vitamin D

Vitamin D deficiency: Supplements not enough for your children, research reveals

Vitamin A distribution in danger - The Lancet

Group A Australian Institute of Sport

Prevention of benign paroxysmal positional vertigo with vitamin D supplementation

Association between vitamin D deficiency and multiple sclerosis- MRI significance: A scoping review - ScienceDirect