What causes that? I had a blood test on tuesday, results came back slightly elevated, and I have to get another blood test done next friday.

Stress, cysts are the less serious ones. Working out can cause this, I had this too.. about a year ago when I was on contest prep. When I herniated my t-8, t-9 discs I had an MRI that showed a cyst on my liver. But it turned out to be benign. Since then I've been retested and they are normal. Should get it checked out further though, imo. Be well!

drinking alcoholic beverages

lay off the orals bro..

ALT/AST/ETC increased due to decreased liver functioning, palpate your own liver on the right side under your ribcage to see if it's enlarged or if you have any yellowish discoloration of conjunctiva or skin or any changes in the color of your urine.

okay, I'll take a break from the gym from now until friday, and no more protein powder

Kind of off topic but kind of not, I'm pretty positive I have a kidney stone
More to come on this when I piss out a jagged stone