Empty capsules allow you to fill your own powders at desired potencies, and avoid tablet binders and fillers. Buying powdered vitamins and filling your own capsules can save up to 50% off most retail prices. Our empty Gelatin Caps are Kosher and Halal vendor certified. Gelatin Caps 00 ,depending on the powder, can hold between 546 - 1092 mg. Gelatin Caps 0, depending on the powder, can hold between 408 - 816 mg. Gelatin Caps 1, depending on the powder, can hold between 300 - 600 mg.