Amazon.com: Vitamatic Vitamin D3 50,000 IU (as Cholecalciferol), Once Weekly Dose, 1250 mcg, 60 Veggie Capsules 1 Year Supply, Progressive Formula Helping Vitamin D Deficiencies (60 Count (Pack of 1)) : Health & Household
The 8 Best Vitamin D Supplements for Kids
How Much Vitamin D3 Should I Take Daily? | Discover Magazine