What is pea protein isolate a natural alternative to milk based proteins pea protein isolate is a gluten free vegetable based protein that delivers great nutritional benefits without lactose and cholesterol its ideal for vegans who wish to increase protein levels why use pea protein isolate pea protein isolate provides over 23g of protein per serving its the perfect solution for those who suffer intolerances to certain foods low in fat and high in protein pea protein isolate can co