Can you tell what type of gut flora you have by fart smell? And can you change the smell of farts?
Well if it actually has a smell there are most likely sulfur compounds involved. Sulfur is present in amino acids, therefore there must be some reason why the body doesn't digest all of it's precious protein (however, the gut bacteria definitely will). So my take is: if it smells, digestion isn't working properly. (sensitivities, allergies, etc)
If you are farting more than rarely and at times other than when you need to have a bowel movement AND especially if your gas smells, then in my opinion from experience and what I have learned about leaky gut and dysbiosis - you have a problem. You have some sort of a GI issue. Digestion is poor and or leaky gut.
Once I got my gut healthy and cured my leaky gut and started using HCL with meals I have ZERO gas. This has been the same for all my family members and several friends and clients who have embarked on diet and supplements to cure their ailing gut.
I think the smell of your farts says more about what you're eating than your gut flora. My own...aroma... changed dramatically when I went Paleo, to more sulphuric-smelling. I assume because I introduced eggs and/or red meat which both contain sulphur.
I have a vague recollection of my microbiology professor telling us that people either had hydrogen or methane producers, methane being the smellier, and you get them from your mother initially. I suspect it could change though, since we can also introduce bacteria through probiotics and fermented foods.
I think this is a relevant issue. I happened to cure my constipation and I'm exploring whether it came about because of my heavy consumption of ripe plantains. Anyone who's eaten raw, ripe plantains know that if anything, they create gas. Tremendous gas. Them black-eyed peas are nothing compared to the ripe plantains.
After eating them for a week, I noticed I no longer have constipation, which I believed was due to my ongoing gut dysbiosis which I had for 3+ years. So the question is, what did the plantains do? I think they had something to do with it: they created tremendous havoc within my gut that literally, they wiped out whatever was causing constipation!
So chalk one up for breaking wind. As for the smell, it wasn't very noticeable. But my hypothesis is that contrary to common belief, foods that cause gas, when introduced to an environment that may be lacking in good bacteria, may be curative for some unknown reasons.
From memory -
I recall reading that methane caused constipation in the gut and has that 'rotten egg' smell and that hydrogen was much less odorous and correlated to normal or slightly loose BM. Just from memory.
The only time I notice 1) having farts and 2) any odor from them is after a splurge such as a large dish of ice cream.
Otherwise, I probably pass gas 2 or 3 times per day and there's no significant sound/pressure or odor.
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