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Bun/creatine HIGH, creatinine serum low, Bun normal: is this ok??

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midori2018
midori2018

So I am 33 5’7 130. I eat natural and and walk once a day for 30 min. Despite this I have a prediabetes. It runs in my family.   

The other day  my doctor had me do routine bloodwork for yearly check up . 

My bun/creatine ration was HIGH 

28 (normal range:  9-23  ) 

BUN: 15 (normal) (range 6-20) 

Creatine: .54 (low) (normal range .57 to 1) 

I am on a low carb/ high protein diet.  Could this do it? I’ve heard that water can come out of muscles when switching to low carb diet making you more dehydrated. But, I’ve been doing this super low carb diet for three weeks, and regular low carb diet for 2 years.  I drink tons of water too.

What could low creatine mean? And is that ok that bun/creatine ration is high with it? 

Just not sure what to do. I was not dehydrated (had three cups of water!) prior to the blood work. 

Thanks so much

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