Transfer Factor Plus Tri-Factor combines powerful ingredients to support the immune system. Each capsule contains aloe vera (Aloe barbadensis) to boost natural defenses, the exclusive 4Life Tri-Factor™ Formula derived from cow colostrum and chicken egg yolk, zinc to contribute to the normal functioning of the immune system, and extracts from three mushrooms—Agaricus blazeii, Grifola frondosa, and Lentinus edodes—to further support immune health. Each container has 90 capsules, with a net weight of 42.2 grams.