Thank you for the interest! Actually for a long time I wouldn't have called my gut sensitive--just constipated. Slow slow bowels my whole life. I have also had ENERGY problems my whole life so they are probably related one way or another. About 5-6 years ago though I started having gastritis, supposedly caused by h.pylori, and things have been much funkier and more sensitive since then in the gut department. Antibiotics for the h.pylori eradicated the bacteria but didn't solve the gastritis--however a low fodmap diet did and I've been eating low fodmap since 2020 as a result. My gut is very sensitive to anything fermentable and/or fibrous. If I eat more than incidental amounts or frequency of FODMAPs I get gastric pain and fibromyalgia symptoms. If I follow my restricted diet my symptom set is more chronic fatigue, very little pain. The only thing that helps the constipation though is miralax. All of this low energy and constipation is one of the main things that had me interested in the high-dose thiamine therapy.
I am a fan of collagen powder although lately I'm developing a bit of an aversion to it for some reason and having trouble taking it as consistently. I do take either magnesium glycinate or citrate regularly. I have tried glutamine before but it had an overstimulating, irritable effect on me unfortunately. I think I likely have dysbiosis in the form of SIBO given the fodmap intolerance but unfortunately have had trouble finding a competent doctor in my area to help treat it. I like theanine at bedtime some nights but haven't noticed any correlation with gut function, but maybe if I took it regularly instead of as-needed for sleep?
Re: thyroid, since that would be a logical next question: I'm currently taking 4 drops of Tyromix daily. It's hard to track my temps bc I often run a low-grade fever, which is common in chronic fatigue, but recently the fever has left and I've been around 98.05, so I'm interested in upping the thyroid, just trying to decide what amount to try. I was first diagnosed mildly hypothyroid in 2008 and prescribed 50mcg levothyroxine, which takes my TSH from 4.5 down to around 1.3. I've been DIY-ing mixing T3/T4 for the past couple years and don't have up to date labs atm.