* Natural defenses * Antiviral action * Environmental disinfection agent Grapefruit seed extract improves the animal's natural defenses. Its antiviral action helps fight diarrhea. For the disinfection of cages and baskets, for bacterial, viral and parasitic diseases and any dysfunction of the digestive system. The research carried out on grapefruit seeds started from a risky discovery made by a physician physician, who apparently observed that grapefruit seeds placed in the middle of a compost heap did not rot. He therefore carried out research on the subject and highlighted the extraordinary antibiotic properties of these grapefruit seeds.