Standard HPMC Capsules - If you get something in Veggie capsules from the Chemist or supplement store they are most likely HPMC capsules.
Clear Vegetable capsules consist of only two ingredients: HPMC and purified water.
HPMC or Hydroxypropylmethylcellulose -- is derived from vegetable cellulose. 100% natural, these capsules contain no preservatives, gelatin, wheat, animal by-products or starch.
If Possible capsules should be stored in a cool (15 to 26 degrees C.), dry place (Humidity 45% and 60%), although they can tolerate a wider range of temperatures. If are allowed absorb to much moisture any capsules will expand and can be difficult to insert in capsule machines.