Which one is better: whey protein concentrate (WPC) OR whey protein isolate (WPI)?

What is the difference between whey protein concentrate (WPC) and whey protein isolate (WPI)?
And which one is better?
Which one is better: whey protein concentrate (WPC) OR whey protein isolate (WPI)?
Which one is better: whey protein concentrate (WPC) OR whey protein isolate (WPI)?
WPC
WPI
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A total of 6 votes were cast: 0 girls and 6 guys. See detailed results
Which one is better: whey protein concentrate (WPC) OR whey protein isolate (WPI)?
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