Can different type of coffees cause stomach upset?


New member
Dec 26, 2021
Fort Lauderdale, FL
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All my life I have been susceptible to stomach upset and heart burn.
So I've learn to live and work around it. Recently I've started to get stomach upset outside of the norm I already know.
The only thing I can think of, recently I started a new job and we have the Donut Shop original regular medium roast K cups, which I drink 2-3 a day.
At home, since forever, we used the Folgers medium roast.
The Donut shop K cups coffee doesn't seem acidic or sour, but it feels a little muddy.
Can this be the problem or should I look for other reasons?
Thank you,
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