Gnc natural brand aloe vera gel capsules aloe vera is a succulent cactus-like plant that grows in dry regions. The leaves are thick, and when cut they release a clear gel. Aloe is one of the oldest known therapeutic plants. Aloe vera gel capsules are a natural product that supports the health of the digestive system and skin. Benefits: supports the health of the digestive system; traditionally it can be used for a laxative effect; provides support in detoxification belts; rich in vitamins, minerals and enzymes, it helps the body function properly.