Sustain Complete is a nutritional drink which can be used as a meal replacement or supplemental use between or with meal. When consumed in appropriate amounts, Sustain Complete can provide 220 calories/53.8g of powder to fuel your body. 15.9g/100g of high protein will help build and repair body tissues. 28 essential micronutrients for maintaining good health. Additionally, Vitamin D aids in development and maintainence of bone stucture as well as allowing the body to utilize calcium efficiently. It also includes heart-healthy essential Omega 3 and 6 along with prebiotic FOS for digestive health.