These gelatin empty capsules are size 0. Sold in packs of 50, 100 and 1000. Made of gel and are gluten and GMO free. Easy to Fill - Whether you like to manually fill your caps or use a capsule filling machine, our size 0 empty gelatin capsules are designed with tough anti-break ends and are transparent to make precise filling easier than ever. Our clear size 0 capsules hold 300 mg to 600 mg of powdered supplements depending on density.