As others have said, the the amount of stomach acid just sitting freely without breaking down any food cause nausea. Anyway, if you have more curiosity regarding science stuff you can also go to r/nostupidquestions or r/askscience.
r/sciencencoolthings is also a good resource for learning scientific discoveries and trivia. Keep up that curiosity!
I’ve never bought the stomach acid theory. I take copious proton pump inhibitors and still get this. My nausea also comes with sweating, dizziness, brain fog and irritability so is clearly systemic.
These are all signs of hypoglycemia but my blood sugar is never clinically hypoglycemic. Conclusion? Hypo symptoms can present before you get to clinical hypo levels. Solution: always keep protein on you for snacks, time your meals carefully and add healthy fats to them.
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