1, when the human body is on an empty stomach, the organs of the digestive system will be more active, and the effective components in coffee can be better digested and absorbed, so that the metabolic effect of the body is better.
2. After coffee is absorbed by the human body, it can accelerate the decomposition of fat, thus increasing the content of fatty acids in the blood. Once the concentration of fatty acids in the blood increases, fatty acids will be absorbed by muscles through blood vessels, thus being consumed in the form of energy.
3. Caffeine in coffee has diuretic effect. Just a few minutes after drinking coffee, human large intestine movement will be significantly strengthened than usual, which is beneficial to defecation, to a certain extent, it can improve urination and timely discharge excess water from the body, thus reducing weight, especially when drinking the scale on an empty stomach.
2 Hazards of drinking coffee on an empty stomach in the morning 1, causing gastrointestinal discomfort. If you drink coffee again, it will promote gastric acid secretion and further increase gastric acid concentration. Excessive gastric acid level will lead to heartburn and indigestion, and high acid will also induce serious diseases such as gastric ulcer, irritable bowel syndrome and gastric acid reflux, especially people with gastrointestinal diseases are not suitable for drinking coffee on an empty stomach.
2, aggravating the side effects of coffee Excessive drinking of coffee will lead to symptoms of "caffeine poisoning", such as excessive excitement, nervousness, irritability, anxiety, tremor, etc., and drinking a lot on an empty stomach will further aggravate this side effect.
When is the best time to drink coffee to lose weight? Drinking a cup of black coffee half an hour before fitness doubles the weight loss effect.
In general, caffeine can improve the activity of 1 1% to 12%. Drinking a cup of black coffee half an hour before fitness not only helps to improve the exercise effect, but also increases the concentration of free fatty acids in the blood 30-40 minutes after drinking coffee. At this time, with proper exercise, fatty acids can be turned into heat energy, and fat can be burned effectively.
Can you lose weight by drinking coffee and not exercising? You can lose weight by controlling your diet.
The principle of losing weight is that the daily calorie consumption is greater than the calorie intake. Assuming that an adult's daily calorie consumption is 1500 kcal, and the total calorie intake of one day including drinking black coffee is 1000 kcal, then even if there is no exercise to consume calories, there is a calorie gap of 500 kcal, which can also play a role in losing weight. In addition, coffee can promote body metabolism and increase satiety.
But if you drink coffee and eat a lot of high-calorie and high-fat foods, you will not lose weight, but you will also be at risk of gaining weight.