The known benefits of taking aloe vera are: When used externally it can help cure sun burns, delay aging, help burns heal. It is also said that regular use of alovera can show improvements in people with digestive disorders, heart burn, irritable colon, gastritis, and ulcer. It is also said to boost immune system, aid in weight loss, fight cancer and treat diabetes when taken as diet supplement. However, further research is still being conducted to know the exact medicinal uses of aloevera in human.