https://www.revgenetics.com/store/c-4-micronized-resveratrol.aspx - RevGenetics Micronized Trans-Resveratrol powder has a particle size of 1.5 microns, and is absorbed up to 220% compared to regular Resveratrol supplements that average between 149 to 224microns[1]. When Micronized Resveratrol is combined with Tween we can see up to a 1000% absorption increase when compared to regular resveratrol.Our Email: Orders@revgenetics.com.