What is Hydrolysed Whey Protein Isolate? BULK POWDERS™ Hydrolysed Whey Protein Isolate is, in a nutshell, the fastest absorbing Whey Protein Isolate available. By hydrolysing the Whey, large protein chains are broken down into small chain peptides, enabling rapid digestion & quickly shuttling an influx of amino acids directly to the muscles – fuelling growth & recovery. So, when consuming Hydrolysed Whey Protein Isolate immediately post-workout, you can be completely confident that