Sundance Calcium 600 mg + Vitamin D3 800 IU, 200 ea (Pack of 3) - Walmart.com
MaxiVita Vitamin D3 800 IU | VITAR, s.r.o.
Amazon.com: Daily's Non-GMO Vitamin D3 20 mcg (800 IU) (Gluten Free, Soy Free, 120 Vegetarian Caps) : Health & Household
Vitamin D3 Liquid | Liquid Vitamin D Supplement | Vitamin D Liquid Form - Eniva
Amazon.com: Deva Vegan Vitamins D2 800 IU, Ergocalciferol Supplement with No Animal Ingredients, Fast Dissolve, 90 Tablets, 1-Pack : Health & Household