Vitamin D2, ergocalciferol, chemical structure. Found in food and used as dietary supplement to treat and prevent vitamin D deficiency Stock Photo - Alamy
Vitamin D (Calciferol)
Calciferol hi-res stock photography and images - Alamy
It's Time to Say “Goodbye” to Vitamin D2 (ergocalciferol) - ClinCalc.com
The importance of vitamin D
Vitamin D: All you need to know! - Blog - HealthifyMe