Vitamin E can be measured in nanograms or IU (International Units). So the difference between your 400 and 1000 is the amount of these units contained. To know for sure look for the unit of measure on label. read more
Vitamin E can be measured in nanograms or IU (International Units). So the difference between your 400 and 1000 is the amount of these units contained. read more
E is the same, then the only difference is the amount. There is no such thing as a concentrated form of Vit. E. As for using it on your skin for acne, if it helps you, then continue using it. read more
However, the Linus Pauling Institute reports that the average intake of vitamin E for American children and adults is well below its RDA. It recommends that most adults consider taking vitamin E supplements, which generally contain between 100 and 1,000 IU per dose. read more