Pediasure Grow & Gain with Fiber, vanilla 8 fluid ounce (237 mL) institutional bottle, 1.0 Cal formula. PediaSure Grow & Gain with Fiber is a source of complete, balanced nutrition especially designed for children 1 to 13 years of age. May be used as the sole source of nutrition or as a supplement. Formulated for oral feeding; may also be tube fed.