When whey protein is taken on an empty stomach, it is not used efficiently because it is absorbed too quickly. Although whey does promote protein synthesis, a huge portion of its amino acid content is used for energy instead of building muscle.
Casein, unlike whey, is digested slowly with no wasting of its amino acids. Combining casein with whey slows the digestion of whey, thereby protecting the latter’s amino acids and helping to maximise their use in muscle protein synthesis. A clinical study which compared the effects of whey and casein in terms of fat mass loss, lean mass gain and strength performance found that casein was far superior in all results. ‘The casein group lost more than double the amount of body fat, gained double the
amount of lean muscle and performed twice as successfully in the strength testing.
” R.H. Demling, L.De Sant, (2000) Annals of Nutrition and Metabolism (44:1: 21-29).”
The best form of supplementation therefore contains largely casein with a smaller addition of whey, which, unsurprisingly, is the natural composition of milk solids.
Each Medical Vita Diet sachet is nutritionally balanced with largely casein and a lesser amount of whey proteins.