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  Saturday, 26 August 2023
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I’m 27 years old Asian.
I’ve been working out for bodybuilding competitions(natural, no trt or steroids) for 5 years and taken protein 2.2 grams per body weight (kg) a day and recently alerted the levels of creatinine which was 1.28.
It rose up from 1.14 2 years ago but is it normal for bodybuilders massing every year?

My body weight with around 8% of body fat is been increasing from 60 to 62 to 65kg for 3 years.
I think it’s a pure muscle mass because I don’t see big difference in body fat, they’re stable I suppose.

But I’m concerned that I’m still 20s and creatinine levels are high as like 50s.

Urine protein was negative last year.
I see some bubbles when I’m dehydrated but when I’m sufficiently hydrated I rarely see bubbles staying for long.
What do you think about this condition?
Should I test cystatin c as well? I heard that muscle mass does not affect its level.
10 months ago
In this context, it is definitely possible that the creatinine rise was a reflection of increased muscle mass. When calculating your eGFR ( it is still within the normal range. It would be interesting to measure your eGFR using a test called cystatin C which is not influenced by muscle mass.

I can only base my opinion on the information provided and your health-care provider might arrive at different conclusions once you have provided an entire history and had a physical examination performed. As always, this forum provides general medical information only and is limited to educational use only. Please discuss the above remarks with your health-care provider.

Dr. Jordan Weinstein
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