That said, for folks who are lactose intolerant or have difficulties digesting certain forms of animal protein, soy protein isolate can serve as a gentler, plant-based alternative, Manaker says. 3.

The two ingredients you mention -- soy protein isolate and calcium caseinate (a milk product) -- are common allergens. While these allergies are more likely to bother children than adults ...

Whey protein isolate is also absorbed quickly ... it’s not suitable for those with a soy allergy. Egg protein powder comes ...

What Is Soy Protein Isolate? Soy protein isolate is a protein that comes from soybeans. It’s cheaper than some protein options and easy to add to your diet. You can use soy protein to help you ...