The aloe vera plant contains many ingredients that are beneficial for the health of the human body and metabolism. Some of the aloe vera plant ingredients include various enzymes, minerals, vitamins and amino acids. Many of these cannot be manufactured internally so they must come from an external source. Aloe vera juice is an excellent external source of these various compounds. The body needs more than a dozen different vitamins to remain healthy.The aloe vera juice contains such vitamins as beta-carotene (vitamin A) and retinol, thiamine, riboflavin, niacin, pyridoxine (vitamin B6), ascorbic acid (vitamin C), tocopherol (vitamin E) and folic acid. Vitamins help release energy from food, help keep the skin and nerves healthy and help make red blood cells. The body needs more than a dozen different vitamins to remain healthy. Of the essential amino acids the boy needs the a loe vera plant contains 19 of the 20. Eight of these 20 cannot be made by the human body and seven of t