Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon James Hart Emmunity by James Hart Sale $92.60 SKU HFSDJE 500ml - $92.60 Volume 500ml 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Helps maintain an efficient immune system. It should be used on horses that are prone to repeated illness, chronic unresolved illnesses or travel a lot.