This question is prompted from the question posted about "most intolerant tuber"
Of all the answers listed, everyone put the same tuber, the Sweet Potato.
Out of curiousity, I'm wondering what we have in common that makes us intolerant to the same food, maybe it will shed some light on whats happening to us here.
If you are intolerant to the Sweet Potato please list some relevant information about you:
What is your intolerance? ie: gas, digestive issues, sugar spike
How long after eating it do you feel its negative effects and for how long?
Are you also dealing with digestive or other issues? list for comparison.
How often do you eat them? have you noticed an increase or decrease in tolerance?
Any other factors you feel are relevant?
I can eat small amounts of sweet potato by itself just fine. When I eat larger amounts combined with meat, I get digestive issues (read: gas) within 30 minutes or so. I have no other digestive issues and am otherwise in great health.
I think it may have something to do with the raffinose in sweet potatoes, which is the same gas-causing oligosaccharide found in beans and broccoli. Maybe when I eat large amounts combined with meat, more of the raffinose or undigested starch makes it to the colon for fermentation. I don't have this problem with regular ol' potatoes. Perhaps the lower amount of fiber and lack of raffinose allows for a much quicker and more efficient digestion in the small intestine. They do have a higher glycemic load, which I think could be a good thing in this case.
My symptoms are much like those Phoenix described. I don't get truly ill from tubers, it's more discomfort and turbulence. White potatoes are even worse than sweet for me.
Yesterday Paul Jaminet's post mentioned that migraine may involve difficulty processing glucose properly in the brain and I was struck by that because prior to ancestral eating I had severe migraine and unlike so many on PH I don't seem to thrive on starch. All those others praise tubers as a great source of glucose. I, in fact, do better on non-starchy vegetables (except rutabagas if they're considered starchy) and a moderate level of fruit. I also have a strong preference for green apples rather than ripe (starchy) and very ripe bananas rather than firm (starchy.)
I hope Paul will expand on his comment in future posts as I'd really been wondering why so many people raved about starch and I just couldn't seem to thrive on it. I've never really liked rice or oats although I certainly liked wheat when I ate SHAD (supposedly healthy American diet.)
I have a severe intolerance for wheat, also discovered since I began ancestral eating, but otherwise I seem to have rapid and comfortable digestion.
So far, everyone gets some 'gas' from eating sweet potatoes, depending on quantity and/or what it is eaten with.
I have on what I call a heavy carb day eaten 3-4 450+gram sweet potatoes by themselves or with various other things like meat,eggs,spinach, onions (my staples) and yes, they have made me fart a bit, but nothing horrible.
I remember eating SAD or military food and I could clear a room, absolutely not true while eating Paleo.
Further proof that the 99.999% can consume sweet potatoes without any abnormal issues.
Do a course of oregano-clove-coconut oil 2x a day for 6 weeks to level out your bacteria. Then take some good probiotocs like Dr. Ohirra's etc daily. Eat taters regularly in small amounts and slowly increase. You're tolerance will increase.
Next, try to eat starches on an empty stomach FIRST, and COMPLETELY, give it a few minutes after you finish, then eat your meat and veggies. Meat and starch digestion needs different pH levels and digestive conditions, and different enzymes. Separate them and problems will be drastically reduced.
Starch alone can cause blood sugar spikes. Meat-fat-starch eaten together can cause digestive issues. Eating them separately, in order of required digestion time with the shortest time/fastest passing food first, but in close time-proximity to each other, mediates both issues. This is what I've found.
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