Black coffee as food can be consumed on an empty stomach by those who tolerate it well, but it is not recommended for those with gastrointestinal disorders to drink coffee on an empty stomach in the morning.
Black coffee is low in calories, has a special flavor, and is one of the world’s mainstream beverages. There are people who drink black coffee for breakfast every day, and if they have a good tolerance for black coffee itself, drinking it on an empty stomach will generally not affect their health.
Caffeine is a kind of central nervous system stimulant, drinking black coffee can supplement some caffeine for the human body, and has the effect of refreshing the brain. People with gastrointestinal diseases who drink coffee on an empty stomach in the morning may stimulate the stomach and intestines, causing an increase in gastric acid secretion, resulting in increased intestinal peristalsis, so it is not recommended that people with gastrointestinal diseases drink coffee on an empty stomach.
Drinking black coffee in the morning needs to be in moderation, a large amount of drinking is not conducive to good health.