A component of aloe vera, namely acemannan, is an approved treatment for leukemia, believed to be caused by a virus similar to HIV.
Acemannan has been recognized as extremely effective at boosting people’s immune system.
 Aloe contains a high amount of protein, including 22 of the 24 amino acids required for human well being and all eight of the essential amino acids not manufactured by the human body. 

Aloe contains ten vitamins, including an uncommon, plant derived source of B12, also know as cobalamin.
Cobalamin helps maintain healthy nerve cells and red blood cells, and is also needed to produce DNA, the genetic material in all cells.

  Aloe Vera contains over thirty enzymes, including lipase and oxidase.
It could be argued that enzymes are the missing link in the modern diet.
90% of us suffer digestive problems (Zantac is the world’s biggest selling drug), and digestion is enzyme-dependent.
Aloe Vera contains anthraquinones, which due to their small size and low molecular weight, allows easy entry into cells.
 These anthraquinones are extremely cytotoxic (they fight against) towards a broad spectrum of bacteria, fungi, and viruses that include pneumonia, E coli, blood infections, diarrhea, skin infections and (tuberculosis.