In the traditional sense, coffee is very particular about the grinding, boiling and filtering of coffee beans, as well as the selection of utensils and different blending methods. In the process of synthesis, the original nutritional and health components of instant coffee were destroyed and disappeared.
When drinking instant coffee, although it still tastes like coffee, it has lost its nutrition and health care function. In addition, preservatives, pigments, sweeteners and other additives in coffee can't be digested and absorbed in the human body, which will cause harm to the human body and accelerate the aging of human cells.
Coffee contains more caffeine, which can stimulate gastric acid secretion and increase gastric acid concentration. Drinking coffee on an empty stomach in the morning will not only damage the gastric mucosa, but also cause stomach pain, heartburn and even nausea, and may also lead to rapid heartbeat, chest tightness and palpitation.
Instant coffee contains a lot of sugar, which will not only lead to obesity, but also induce some diseases.
In addition, although coffee has a refreshing effect, long-term drinking will accelerate the consumption of B vitamins, and people who lack B vitamins are more likely to feel tired.