DIGESTIVE ESSENTIALS PASTE 30CC, Paste is just the right size to stick in the tack box, or put in the glove box for travel. Each 30 cc dose contains 10 billion CFU total microbial count, 250,000 IU vitamin A, 1,100 IU vitamin D3, 200 IU vitamin E, 500 mcg vitamin B12, 200 mg niacin, 100 mg ascorbic acid and 100 mg choline. Directions: Foal at birth – 15 cc; Adult Horse – 15-30 cc.