Do certain liver enzymes like AST and ALT tend to be higher (on a normal range) in people who regularly lift? My doctor seems concerned that these levels are a little higher than nornal, although I have no other health issues.
He is 70 so he may not be up to date on current literature.
Yes, they can be elevated when drawn in proximity to training. They are not only liver-associated enzymes, but are found in muscle as well.
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