Peptamen 1.5 with Prebio 1 Oral Supplement Vanilla Flavor Liquid 250 mL CartonOral Supplement Peptamen 1. 5 with Prebio 1 Vanilla Flavor Liquid 250 mL Carton 4 grams of Prebio1 soluble fiber blend per liter helps promote the growth of beneficial bacteria to help support digestive health. Enzymatically hydrolyzed 100% whey protein, which may facilitate gastric emptying 70% of fat from medium chain triglyceride (MCT) to decrease potential for fat malabsorption Vanilla flavor for oral consumption but can also be used as a tube