Vitamin A-D-E Plus Zinc Recommended Serving: One scoop Ingredients: Vitamin A – 15,000 IUS, Vitamin D – 100 IUS, NATURAL Vitamin E – 1450 IUS, Chelated Zinc – 20,000mgs (provides 300 mgs of Zinc) Vitamin A is important for proper function of the eyes and muscles, and helps keep mucous membranes healthy – the linings of the respiratory, digestion and reproductive tracts. Vitamin D assists with the absorption of calcium, and helps regulate the secretion of phosphorus. These functions are critical for bones and joints. NATURAL Vitamin E enhances muscle tone and endurance in working horses, and also improves circulation. It improves heart function, enhances the immune system and acts as a potent antioxidant. Chelated Zinc is included in our Vitamin A-D-E Plus Zinc, as it plays an important role in improving the immune system, and aids in wound healing. Also, it promotes better stress tolerance and fewer infections.