Promotes normal intestinal health. Contains pumpkin seed, diatomaceous earth and 5 strains of microencapsulated lactobacillus. This is for the back yard chicken rancher. This container is labeled to mix 1 to 3 of the 1.5 oz. scoop per pound of feed. So the jar will mix with from 16 to 24 pounds of feed. It is well known that diatomaceous earth and to some degree, pumpkin seed are effective on internal parasites.