Zesterra stimulates appetite and water consumption safely and naturally by balancing PH levels in the stomach. It can also be used as a flavor enhancer for horses that like to reject water from new sources. For example, hauling to new destinations. Zesterra is an all-natural supplement designed specifically to support horses during times of stress, such as hauling, heavy training, foaling and during times of extreme heat or cold. This product is safe for all classes of horses including lactating mares and foals.
 
Ingredients: Mineral water, corn oil, guar gum, orange extract, onion extract, soybean oil, glycerin, vegetable based fatty acids, natural apple flavoring and water.
Available in 125ml, 250ml, 500ml, and 1/2 Gallon bottles.