Instant Food & Drink Thickener Make almost any hot or cold food or beverage thicker without altering the taste. Resource ThickenUp is an instant food and beverage thickener for people with swallowing problems (called "Dysphagia"). Count on Resource ThickenUp to give shape and body to any meal. This instant food and beverage thickener uses 100% modified cornstarch to thicken quickly without lumping, and maintains its consistency over time. Swallowing problems should always be diagnosed by a healthcare professional trained in diagnosing Dysphagia. Nestl? Nutrition recommends consulting a speech language pathologist or other qualified swallowing therapist for evaluation of any swallowing difficulties and recommendation of suitable products. Instantly Thickens Liquids & Pureed Foods No Over-Thickening Improves Swallowing Safety* Maintains Consistency Over Time Resource ThickenUp is an instant food and beverage thickener for people with swallowing problems (called "Dysphagia"). Thickens hot and cold foods and beverages to any consistency quickly and easily, and will not alter their taste.