Glucerna Vanilla Powder For Diabetic Support is a nutritional drink that consists of less carbohydrates, vital nutrients, nutritionally complete, FOS (fructo-oligosaccharides) enriched and designed for people with diabetes or impaired glucose tolerance. Glucerna Powder is a low calorie formulation designed for people with diabetes. It has a smooth flavor that makes this drink to supplement diet as snack, or even as meal replacement. It has a low glycemic index that was designed for slow absorption by the body to provide sustained release of energy. It is clinically shown to optimize glucose response. It provides healthy fat blend and supports complete and balanced diabetes specific nutrition. What is the difference between Glucerna and Ensure? While both are meal replacements, Glucerna is specifically for people with diabetes, and Ensure is for everyone. People with type 2 diabetes, prediabetes and type 1 diabetes may use Glucerna. These products are low in calories and sugar and high in protein.