That is certainly high and it is important that you follow it up with your doc. High GGT can be caused by a number different things so it is a warning but doesn't independently tell you what is going on. Causes range from toxins to chronic organ problems so followup is important.
12 years ago my husbands GGT levels measured 486, he had never had a liver function test before and had no known liver issues, he was just having a routine check up by his GP. He went to see several specialist over the years and had ultrasound, a couple of different MRI's, nothing has ever shown up as being a problem with his liver, he was advised not to carry out a biopsy because it was felt not necessary given he had seen no changes or any symptoms in an 8 year period so all that is carried out now is twice yearly blood tests .
We introduced some dietary changes all those years ago and he even cut out any alcohol he was drinking and over the months and years the GGT levels have come down, the lowest 102 and then they crept up a little and he now averages anywhere between 150 to 250, none of the doctors are worried and he remains fit. He still has beer usually over a weekend but not a great amount, and never did.
What has been noted by me over the 25 years we have been together is he has good fitness levels and when he was younger he was a semi professional footballer and kept up to date with other types of fitness activity, but most importantly to me I always notice how low his heart rate is, his normal resting heart rate is around 55 BPM and his recovery rate after exercise is fantastic, the low heart rate has worried me but over the years he has been tested by two separate hospitals in completely different areas and neither knew the results of any cardiac testing, the outcome of this was he had a very fit heart and was told he must have been very fit and active in his younger life. Last year I pushed him to have his heart blood vessels checked because I wondered if these were becoming narrower but they reported back everything was OK. He is now 65 and I guess I have to learn to stop being overly concerned about things
I would suggest you get yourself completely checked out, look at your diet and if you drink then try cutting out any alcohol for at least 3 months and see if your GGT levels have improved.
Would love to know how you get on in your journey to see if you are offered any other advice or explanations.
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