Peptamen Junior® PHGG Pediatric Oral Supplement Vanilla Flavor 8.45 oz. Carton Liquid PHGG Fiber Impaired GI Function (1196670_CS) 24/CSCalorically dense formula (300 calories per serving) is designed to support absorption and tolerance in children with a gastrointestinal impairment. Made with 100% PHGG (partially hydrolyzed guar gum): Guar gum is made from guar beans and may aid in the health of your child's digestive system. Soluble and insoluble fiber promote the growth of beneficial bacteria to support digestive health. Peptamen Junior PHGG is gluten free and lactose free, but is