Optimal proteins and products for lean muscle mass development and healthBuilding and maintaining lean muscle mass is extremely important to our health. According to the book ‘Biomarkers the 10 keys to Prolonging Vitality' the maintenance and so development of lean muscle mass is the number one biomarker of health as we age. To maintain and build lean muscle mass we need to be able to digest and absorb high quality protein. The proteins listed in this section are all such products. It is very important when taking protein supplements that they are well sourced high quality bio available products that also promote intestinal and full body health.