For normal healthy adults, it is safe to consume less than 400 mg of caffeine every day. For pregnant women and lactating women, it is recommended to control caffeine intake below 200mg.
Generally speaking, the caffeine content of a cup of coffee is about 80- 130mg. A cup here refers to a measuring cup of 8 fl oz, which is about 240ml. From the point of view of caffeine, a cup of instant coffee every day will not exceed the upper limit of caffeine safety value.
In fact, coffee is good, it is really good for health, refreshing and improving sports ability. The disadvantage of coffee is that other ingredients in instant coffee will bring bad effects to the body. So if you continue to drink instant coffee in the future, you'd better choose pure coffee without sugar and coffee partner, and taste it with milk, which is healthier.
Strictly speaking, instant coffee is not coffee, but a drink! The consequences of long-term drinking are:
First, gain weight, because the three-in-one instant coffee contains the ingredients of hydrogenated vegetable fat, which is easy to lead to obesity.
The second is carcinogenicity, because the carbonation process of granular instant coffee will produce carcinogens.
So if you really like coffee, try to drink freshly ground coffee beans.
The quality of coffee has always been controversial. For coffee lovers, drinking one or three cups a day is very enjoyable. Instant coffee brings convenience to users, but the material of instant coffee is usually poor, and besides black coffee without alcohol, many instant coffees have added sugar and non-dairy creamer (partner) to satisfy the taste, but non-dairy creamer cannot be absorbed and metabolized by human body! So if you can only drink instant coffee, please choose a relatively expensive pure coffee without it!
Non-dairy creamer is widely criticized. It can be seen that there must be harm, that is, the possible influence of non-dairy creamer and sugar.
If you always only drink instant coffee without vegetable fat and sugar, it is a big deal to play a joke on high-end consumers and not know the real taste, but it will not harm your health.
Instant coffee three-in-one contains non-dairy creamer and hydrogenated vegetable oil, which is easy to cause cardiovascular and cerebrovascular diseases. And black coffee. It is said that research shows that black coffee has anti-cancer effect, but you should not drink more one day. Coffee is also easy to cause calcium loss. If you like coffee, you should pay attention to calcium supplementation.
In fact, to tell the truth, we can't ignore some negative problems of instant coffee to the body, and at the same time we can't be too afraid of the health hazards it brings. For instant coffee, as long as we drink it in moderation, the impact of long-term drinking instant coffee will not be too great.