What is low-acid coffee, and does it help those who suffer from acid reflux, heartburn, and indigestion? “Dark roast coffee is more effective than light roast coffee in reducing body weight…” But what about the effect of different roasts on heartburn and stomach upset?
We know that “Coffee consumption is sometimes associated with symptoms of stomach discomfort.” And so, researchers stuck pH probes down into people’s stomachs to measure the amount of stomach acid generated by different types of coffee. The way you chart stomach acid secretion in the stomach is called a “gastrogram.” You basically give people some baking soda, which starts out alkaline, and measure the pH in the stomach to see how long it takes the body to restore the stomach back down into an acid bath: about 15, 20 minutes. But if you mix that same amount of baking soda with dark roast coffee, it takes longer, meaning the dark roast coffee is suppressing stomach acid secretion, since it takes longer to normalize the pH….