Vitalpur Defenses Royal Jelly 20 vials Drasanvi New Product. Enjoy a healthier life. Vitalpur Defenses 20 vials Drasanvi contributes to the normal functioning of the immune system. Fenders Vitalpur is a food supplement based Royal Jelly (1500 mg) reinforced with substances that contribute to the normal functioning of the immune system such as zinc, copper and vitamin C. In addition to its composition are porpolis, echinacea and lactoferrin (protein present in breast milk of mammals). Pur Vital Defenses, has no sugars ± Adidos year, and chooses Stevia (sweetener extracted from the leaves of a plant).