Sure-Settle Tonic in Action
Don't hope she settles — Sure-Settle. Watch how this tonic supports reproductive performance in breeding cattle.
View Sure-Settle TonicWatch & Learn
Educational content and product demonstrations from Dr. Harman — covering liver fluke disease, treatment protocols, and the full supplement line.
See how Fasciola hepatica silently drains cattle performance — and how Dr. Harman's Liver Fluke Tonic addresses the problem with a nutraceutical approach that carries no withholding periods.
Ready to protect your herd?
Browse the full product line — no withholding periods, cattle-safe ingredients.
Shop All ProductsDisease InfoLiver flukes mean lost gains. Studies show an average of 80 lbs of lost gain per animal. Watch the video to find out more.
View Liver Fluke TonicThe flagship formula
Trusted by ranchers for targeting liver flukes — nutraceutical-grade, no withholding periods.
Shop Liver Fluke TonicDisease InfoThe latest from Dr. Harman — covering the tonic's formulation, how it supports liver health in cattle, and why ranchers are adding it to their integrated parasite management programs.
View Liver Fluke TonicNo withholding periods
Nutraceutical-grade ingredients. Safe for cattle at all production stages.
Shop Liver Fluke TonicAsk Dr. HarmanShort-form demos showing how each tonic works — straight from the ranch.
Subscribe to @DoctorHarman for new content on cattle health, liver fluke management, and ranching best practices.