Important information about health, nutrition as well as the ingredients of the nutritional supplements is to be found:
Α) on the website www.pro-vita.gr
B) in the book Colostrum, the Gift of Creation, by Dr. Marco Prummer, Rademann Publications
C) in the book Aloe Vera: The Gift of Nature for everyone
D) in the book Successful Management of Stress of by Dr. Anke Ertan