We used this product when my children were little. It contains MCT oil (medium chain triglycerides) which are the most easily absorbed fats there are.
Scandical
SCANDICAL® Calorie Booster is a taste-free powder that quickly and easily adds 35 calories per tablespoon to your meals, without changing the taste of the foods you love. SCANDICAL® comes in a portable, 8 ounce, shaker-top dispenser can, conveniently allowing you to add calories to individual servings and eliminating the need to prepare separate, high-calorie meals.
SCANDICAL® mixes easily with almost any food or beverage, hot or cold, right at the table. To help gain or maintain your weight, sprinkle SCANDICAL® Calorie Booster on all your favorite snacks and meals.
SCANDICAL® is gluten-free and certified as kosher.