Item# CIQUER028G 95% pure food grade quercetin dihydrate powder plant extract. Measures: Size O capsule: holds approximately 250 mg of quercetin dehydrate Size OO capsule: holds approximately 350 mg of quercetin dihydrate Size OOO capsule: holds approximately 500 mg of quercetin dehydrate Please note that this is pure bulk powder and does not include capsules. Capsule measurements are given for information purposes only. Capsules may be ordered separately here: http://flowingvisions.ecrater.com/c/619520/herbal-supplies