SweatAgain from AniMed is an oral electrolyte fortified with amino acids, vitamins and minerals designed to help replace nutrients lost in sweat. Helps horses cope with the stresses of summer heat, hard work, training and physical activity. For horses of all classes. Each 1 oz dose of SweatAgain contains min 2% calcium, 0.75% phosphorous, 55 ppm zinc, 14% potassium, 3,150 mg niacin B3, 2,500 mg vitamin B6, 4,500 mg l-tyrosine and 4,500 mg choline. Directions: Mix with normal feed. Horses 1000+ lbs body wt - 1 to 2 Tbsp daily divided between morning and evening feeding; Horses 600-999 lbs body wt - 1/2 to 1 Tbsp daily divided between morning and evening feeding; Adult Miniature Horses - 1/2 Tbsp daily. 1 Tbsp (1/2 oz) scoop enclosed.