![Amazon.com: Vitamin D3 400 iu (10 mcg) | 100 Tablets | Vegetarian, Non-GMO, Gluten Free Supplement | By Nature's Truth : Health & Household Amazon.com: Vitamin D3 400 iu (10 mcg) | 100 Tablets | Vegetarian, Non-GMO, Gluten Free Supplement | By Nature's Truth : Health & Household](https://m.media-amazon.com/images/I/81B88sNcOLL.jpg)
Amazon.com: Vitamin D3 400 iu (10 mcg) | 100 Tablets | Vegetarian, Non-GMO, Gluten Free Supplement | By Nature's Truth : Health & Household
REVISED UNITS OF MEASURE The chart below provides conversion factors and a quick reference to compare previous and updated equiv
![Amazon.com: Natural Factors, Vitamin D3 1000 IU (25 mcg), Supports Strong Bones, Muscles and Immune Function, 180 Tablets : Health & Household Amazon.com: Natural Factors, Vitamin D3 1000 IU (25 mcg), Supports Strong Bones, Muscles and Immune Function, 180 Tablets : Health & Household](https://m.media-amazon.com/images/I/61RE509AZEL._AC_UF1000,1000_QL80_.jpg)