aloe juice is legit. i use the concentrated flake form, it can be found at kisorganics.com. good for light foliar application too.
the following was copied from one of don teslas threads in the organic section
The ten + main areas of chemical constituents of Aloe vera include:
Amino Acids,
Anthraquinones,
Enzymes,
Minerals,
Vitamins,
Lignins,
Monosaccharide,
Polysaccharides,
Salicylic Acid,
Saponins, And
Sterols.
Amino acids found in Aloe vera include:
Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Valine,And Tryptophan.
Some Of The Other Non-Essential Amino Acids Found In Aloe Vera Include:
Alanine, Arginine, Asparagine, Cysteine, Glutamic Acid, Glycine, Histidine, Proline, Serine, Tyrosine, Glutamine, and Aspartic Acid.
Enzymes in Aloe include:
Amylase, Bradykinase, Catalase, Cellulas, Lipase, Oxidase, Alkaline Phosphatase, Proteolytias, Creatine Phosphokinase and Carboxypeptidase.
Aloe vera also contains these Vitamins:
B1, B2, B3, B5, B6, and B12
As well as these elements:
Choline, Calcium, Magnesium, Zinc, Manganese, Chromium, Selenium, Copper, Iron, Potassium, Phosphorus, And Sodium.