PediaSure Enteral Formula 1.0 Cal, vanilla, 8 fluid ounce (237 mL) institutional can. PEDIASURE ENTERAL FORMULA 1.0 Cal is a source of complete, balanced nutrition especially designed for the tube feeding of children 1 to 13 years of age. For tube feeding. May be used as the sole source of nutrition or as a supplement. Use under medical supervision.