Health Benefits of Swiss Chard  Cleveland Clinic Health Essentials





Can Taking Vitamins Combat Infection?  American Society for Microbiology
































Vitamin D supplements may slow cellular aging  National Institutes of Health (NIH) | (.gov)



Vitamins and minerals, explained  Center for Science in the Public Interest







Vitamin A won’t prevent measles—vaccination will, says expert  Harvard T.H. Chan School of Public Health


















Science Update: Low vitamin D levels in early pregnancy linked to preterm birth risk  National Institute of Child Health and Human Development (.gov)






Olive's story | Vitamin K Deficiency Bleeding  Centers for Disease Control and Prevention | CDC (.gov)