Ensure Plus nutrition shakes are clinically proven to help gain weight. Each shake contains 16 grams of high-quality protein 350 calories 27 vitamins and minerals and nutrients to support immune-system health including vitamins A and D zinc and antioxidants.* Ensure Plus protein shakes provide complete balanced nutrition and are a great meal replacement option! * Vitamins C and E. ? Ensure Plus = 16 g protein per 8 fl oz vs Ensure Original = 9 g protein per 8 fl oz.?in select stores The SNAP (Supplemental Nutrition Assurance Program) name is a service mark of the U.S. Department of Agriculture. USDA does not endorse any goods services or enterprises.