From the #1 doctor-recommended brand, Ensure Enlive nutrition shake is a meal replacement drink that offers complete, balanced nutrition with 20g of high-quality protein to help build lean muscle, 350 nutritious calories, 26 essential vitamins & minerals, and more. Ensure Enlive is our most advanced nutrition shake with our unique All-in-One blend that supports muscle, bone, heart, immune, and digestive tract health. * Vitamins C, E, & selenium.