Zesterra - 500ml | Brandenburg Equine.
Zesterra - 500ml | Brandenburg Equine.
Regular price $130.00
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Zesterra is an all-natural supplement designed to support horses during times of stress, such as hauling, heavy training, foaling and during times of extreme heat or cold.

Zesterra is safe for all classes of horses including lactating mares and foals.

Zesterra stimulates appetite and water consumption safely and naturally by balancing the pH of the stomach. It can be used as a flavor enhancer for horses that reject water from new sources when being hauled to new destinations.


  • Horses with Active Ulcers or Symptoms: 10ml orally AM and PM for 14 days and then reduce to 10ml once a day for 14 Days. Move to a 5ml maintenance dose daily thereafter. When these horses come under stress give 10ml prior to the event (riding, hauling, weather change, environment change).
  •  Older Horses/Hard Keepers: 10ml orally for 10 days followed by 5ml daily until desired weight is achieved. Once desired weight is achieved, move them to the “wellness” dose of 10ml two to three times per week.
  • Ulcer Prone Horses/Horses in Rigorous Training: Follow the same protocol as outlined above for Horses with Active Ulcers.
  • Respiratory Infections/Shipping Fever: 10ml orally daily until symptoms (cough, fever) subside. If antibiotics are prescribed, a daily dose of 10ml should be used for at least 10 days past the last dose of antibiotics.
  • Environmental Stress (Extreme Heat, Cold or Disease Outbreak): Give a 10 ml dose orally prior to changes in weather or disease outbreak.
  • Colic: Give 50ml orally at the onset of colic. You may use up to 100mls. Please contact your veterinarian if colic persists.
  • Hauling: All horses: 10ml orally the day before leaving and every day while away from home.

What is in it?

Colloidal Silver, water, corn oil, guar gum, orange extract, onion extract, soybean oil, glycerin, vegetable-based fatty acids, natural apple flavoring

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent illness.

Download Zesterra Dosing Suggestions

Available Sizes:

  • 250 ML ... $75.00
  • 500 ML ... $130.00
  • Half Gal ... $350.00
  • 1 Gal ... $700.00

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Karin G.
United States United States

Zesterra new customer

Due to a ligament injury, my horse was prescribed Equioxx, and also Sucrulfate as a preventive against ulcers. He went off his feed, became depressed, and lost a lot of weight. I stopped the meds cold turkey and started him on the Zesterra. Very pleased his appetite returned, his attitude perked up, and is gaining weight. I am thankful to have followed the advice of another happy Zesterra customer who had in prior years administered Zesterra to her horse following stressful situations.