If you have a dairy allergy, this isn't the option for you. You can use soy protein instead or pea or rice proteins. Protein powder whey isolate is less expensive and typically only contains one source of protein (usually whey). Learn more...
https://www.livepositively.com/@gainshealthandnutrit/isolate-vs-hydrolysed-protein-which-is-better/
Isolate vs Hydrolysed Protein: Which is Better?
IntroductionProtein powder is a great way to supplement your diet and build muscle. There are two main types of protein: whey isolate and whey hydrolysate. Whey
https://www.livepositively.com/@gainshealthandnutrit/isolate-vs-hydrolysed-protein-which-is-better/