4g of black coffee a day is not much.
It is okay to drink 4 grams of black coffee a day. Generally speaking, drinking moderate amounts of coffee is not harmful to the human body. Remember to drink too much. Because black coffee contains caffeine, caffeine will excite the sympathetic nerves after entering the body, making people feel drowsy. It is a stimulus to the central nervous system of the brain, so it is not advisable to drink too much.
Notes on black coffee
Do not add sugar. Black coffee, a coffee with a cocoa purity of more than 75, has a rich and bitter taste. People say they cannot accept the bitter taste, so they choose to add sugars when drinking black coffee. This is difficult to achieve the effect of weight loss. Do not add condensed milk, sugar cubes or sugar to black coffee. Sugar will affect fat decomposition and increase calories. If you really can't stand the bitter taste, you can add a little sugar-free milk to taste, but don't overdo it. many.
It is most effective when consumed 30 minutes to 1 hour after a meal. Within 30 minutes to 1 hour after a meal, enjoy a cup of rich black coffee. It can not only relieve your nervous work mood and allow you to regroup to meet more work challenges, but also effectively decompose the fat consumed during lunch. Helps digestion after meals and promotes fat burning. If you can drink it for a long time, it can also solve constipation.