As horses age, their nutritional needs change significantly, making electrolyte balance crucial for maintaining health, hydration, and muscle function. Our editorial team researched the best electrolyte supplements for senior horses, focusing on formulations that address age-related issues like reduced kidney function, dental problems, and decreased thirst drive.

We compared products based on ingredient quality, palatability, and suitability for older horses prone to conditions such as Cushing’s disease or metabolic syndrome. Below are our top picks and buying advice to help you support your senior equine companion’s well-being.