i was going to mention corn to you to try, and saw that you did ok with it at one point in your blog. bulgaria probably doesn't have masa harina, but if you can get your hands on it you might be surprised.
the breathing apparatus looks similar to ray peat's bag breathing.
have you every heard of homozon? it's stabilized ozone bonded to magnesium.
try this with water some time. just boil the water down 2 parts to 1 part and then drink it warm. this in an ayurvedic technique to add energy into the water.
i mentioned hair tests twice now, not to confirm what you already know, but to look for some obvious trace/macro mineral deficiencies so that you could target them with foods or supplements. there are some metals like sodium that when low will prevent the entire digestive from working.
you might poke around for something like an organic rice based protein powder.
stay on the glutamine. it will probably be good in tandem with the cartilege(tm) broth.