Unmixed powder. What kind of protein is it and how do you mix it? Some brands are better mixing than others, so it might be brand specific. Just keep shaking or stirring as you drink to keep it all floating so you don't leave anything behind.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.