I'm a 38 year old man in very good overall health. I exercise five to six days a week for at least an hour (combination of bodybuilding and heavy cardio), and my diet consists of balanced, low-calorie meals: lean protein (mainly from boneless, skinless chicken breasts), fruits and vegetables. I also drink a protein shake after I exercise. I mainly drink only water, but I also consume at least one alcoholic beverage every other day, on average.
I recently had a full physical and bloodwork, and a few numbers came back that were just outside the norm, or at the high end of the norm. Specifically, my BUN was 18, my creatinine level was 1.6, CO2 was 33, and my eGFR was 52. I was recently diagnosed with high cholesterol (292 total) and I have a follow-up appointment in a couple of weeks to discuss treatment for that. All of my other numbers were within the standard ranges, except for my RBC, HGB, and HCT, which were all slightly above normal.
As I said, I am in great overall health. I eat healthy and exercise, and I never get sick, nor do I ever feel unwell. I do not urinate more frequently than is normal. My doctor only flagged my cholesterol level. She said nothing about the other numbers, which leads me to believe I'm okay, but I want to be sure. I've read elsewhere that bodybuilders have elevated creatinine levels, but there's a lot of conflicting information about what *all* of those numbers mean. I've been told everything from "you're fine" to "You have the early stages of kidney failure." This is the only metabolic panel I've ever had. Should I be concerned, or should I only worry if a second panel comes back with similar results?
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