Kid's Super Daily D3 400 IU (10 mcg) or 600 IU (15 mcg) | Vitamin D3 Drops
The Body Needs All Forms of Vitamin D - GrassrootsHealth
Amazon.com: Nature Made Vitamin D3 1000 IU (25 mcg) Softgel, Dietary Supplement for Bone, Teeth, Muscle and Immune Health Support, 300 Day Supply,300 Count (Pack of 1) : Health & Household