Product
Doctor Harman's Calf Zen
1 Liter — All-natural calm when they need it most.
Overview
Formulated by Dr. Harman — a PhD nutritionist with over 70 years in animal health and 41 patents — Calf Zen is a nutraceutical liquid blend designed to support stress relief, immune function, and healthy development in young calves during weaning, transport, branding, and processing. When calves are calm, they eat sooner, recover faster, and perform better. No withholding periods.
10
Active Ingredients
70+
Years of Expertise
41
Patents Held
Why Choose Dr. Harman's
- Targeted stress relief at weaning, branding, transport, and processing
- Supports immune response during peak vulnerability windows
- Promotes healthy rumen development and early feed intake post-weaning
- No withholding periods — safe for flexible marketing windows
- Formulated by a PhD nutritionist with 41 patents in livestock nutrition
How to Use
- Administer as an oral drench at weaning, branding, or on arrival day
- Repeat on day 3 and day 7 post-weaning or post-arrival for best results
- Use as part of a complete calf health and vaccination protocol
- Consult your veterinarian for integration with existing health programs
- Store in a cool, dry location away from direct sunlight
Dosing guidance — Dosing guidance provided with each order. Quote requests answered within one business day.
From the Field
We started using Calf Zen at weaning and branding. The calves are noticeably calmer and we've had fewer health issues in the first 30 days. It's become a staple in our program.
Tim S
Lone Tree Ranch
Ready to order
Request a quote for your herd today.
Quote requests answered within one business day. Dosing guidance included with every order.
What's included
Doctor Harman's Calf Zen — 1 Liter
- No withholding periods. Safe for flexible marketing windows.
- Dosing guidance included. Clear administration instructions with every order.
- Fast response. Quote requests answered within one business day.
- Expert formulation. 70+ years of animal health expertise behind every bottle.