Vitamin D Is Often Referred To As The “Sunshine Vitamin” Because It Is Produced In The Skin In Response To Sunlight. It Is An Essential Vitamin For Many Metabolic Processes That Helps Support The Body. Vitamin D3 Can Help Regulate The Absorption Of Calcium And Phosphorus, Both Of Which Are Essential For Strong, Healthy Bones And Teeth. Additionally, It Can Help Support Healthy Immune System Function.*