^^ Personally I dont see a problem with using protien shakes as he is, to simply suppliment the amount of protien per meal. As long as he hits his numbers he should be fine, and when using them like this, your actually mixing whole food and shake, so its not as bad as it would be if he was just taking shakes and that was his whole protien intake.

I agree that limiting them is a good idea, but in this instance I think its fine.

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