It could be a histamine problem, tuna converts histidine to histamine if it's not fresh from the ocean, if you're sensitive as me that might be it
Not sure if I already posted this....I also cannot do canned tuna -- even packed in water -- due to intolerance to histamine containing and inducing foods.
I have to echo these two. I also have a histamine intolerance (HIT) and canned fish and shellfish will cause symptoms. Fresh caught fish is
okay as it is lower in histamine..
In discussion with my GI doc last week, it can resolve in time after avoiding high histamine foods for several weeks, knocking down the level of histamine in your body and then trying small amounts to test your tolerance level.
HIT occurs when the gut is impaired and the enzyme that regulates histamine (DAO) is not being produced.
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"LTES" Gem 2014
Misdiagnosed for 25+ years; Finally Diagnosed with Celiac 11/01/10. Double DQ2 genes. This thing tried to kill me. I view Celiac as a fire breathing dragon --and I have run my sword right through his throat.