Protein: Excessive Liver Enzymes?

I used to donate plasma, and I was fine majority of the time. I ate a ton of protein, also. As time continued it began taking a toll on my body. The last time I went, I ended up being temporarily deferred due to excessive liver enzymes in my body. Does eating an excessive amount of protein cause the liver to swell or to produce an excessive amount of enzymes? If there is a correlation, how do I lower the levels? I don't drink, and I have only been having sex with one person. I am sure I don't have any forms of hepatitis.
Protein: Excessive Liver Enzymes?
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