hi i had gone through your query and understand your concerns. i would come up with the possibility of ACID PEPTIC DYSPEPSIA
may be the cause for your sufferings and this condition leads to MALABSORPTION
there are several underlying causes to produce this condition.
-suppressed strong emotions like anger,worry have caused the inflammations they will not get better until these feelings have come out into the open.
-taking pain killers are some possible causes.
i advise you taking Homeopathic
medicines gives safe and permanent cure for your complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you