Complete, Balanced Nutrition : Between ages 40 and 70 years, muscle mass decreases by about 8% per decade; beyond 70 years, the rate of loss increases to about 15% per decade.. 1, 2 Complete and balanced nutrition along with regular exercise is essential for your active lifestyle. Ensure NutriVigor is specifically designed to provide complete and balanced nutrition, and includes key ingredients such as Acti-HMB ; plus high-quality protein to help with muscle tissue building . Product Information : Enhanced with Acti-HMB and contains 9g protein per serving to help with muscle tissue building and growth. Omega-3 and monounsaturated fatty acids. Low in saturated fat. Cholesterol and trans fat free. FOS & Inulin : Promote the growth of good bacteria and help maintain a healthy digestive system. 28 Vitamins & Minerals : High in Vitamin D to improve bone strength and maintain normal muscle and immune functions. Calcium & phosphorus for strong bones. Vitamins B1, B2, B3 & B6 for energy release. Vitamins B12 & C to help reduce tiredness and fatigue. Antioxidants (ß-carotene, Vitamins C, E, zinc & selenium) help to protect cells in the body.