Is There a Best Time To Take Vitamin D for Immune Support?  Health: Trusted and Empathetic Health and Wellness Information






8 Foods With More Vitamin B12 Than Eggs  Health: Trusted and Empathetic Health and Wellness Information

What Happens to Your Body When You Take Calcium and Vitamin D Together  Health: Trusted and Empathetic Health and Wellness Information


Protective vitamin shots for newborns on decline  National Institutes of Health (NIH) | (.gov)










What Are the Benefits of Vitamin D?  Mass General Brigham



11 Foods Highest in Vitamin D  Health: Trusted and Empathetic Health and Wellness Information




















Vitamin D Certified Assays and Participants  Centers for Disease Control and Prevention | CDC (.gov)






Can Taking Vitamins Combat Infection?  American Society for Microbiology


The 7 Best Vitamins & Minerals for Your Immune System  Cleveland Clinic Health Essentials




12 Foods That Help Boost Your Immune System  Cleveland Clinic Health Essentials






Micronutrient deficiency linked to chronic pain in new study  The University of Arizona Health Sciences





Vitamins & Supplements  Consumer Reports















Hair Growth Vitamins That Are Actually Worth It  The National Council on Aging (NCOA)








Can vitamin A help prevent measles?  National Academies of Sciences, Engineering, and Medicine




7 Foods With More Vitamin B12 Than Beef  Health: Trusted and Empathetic Health and Wellness Information






How to Get Enough Vitamin D  Consumer Reports