Red bull energy drink, also known as red bull vitamin functional drink, contains a variety of nutrients and caffeine, so it is often used as a refreshing and even fitness drink.
2. Coke:
Cola refers to a sweet carbonated beverage containing caffeine, which contains caffeine but no alcohol. The main flavors of cola are vanilla, cinnamon and lemon. The name comes from one of the early materials of cola: cola fruit extract.
3. Coffee:
Every 100g coffee bean contains 1.3g caffeine, and moderate caffeine can also reduce muscle fatigue and promote the secretion of digestive juice. Because it can promote renal function, it has diuretic effect and helps the body discharge excess sodium ions. But too much intake can lead to caffeine poisoning.
4. tea:
New tea contains more caffeine, active alkaloids and a variety of aromatic substances, and it will also excite people's central nervous system. Patients with neurasthenia and cardiovascular and cerebrovascular diseases should drink it in moderation, not before going to bed or on an empty stomach.
5. Milk tea:
The average content of caffeine in a cup of milk tea is 270mg, and the highest content is 428mg, which is about 4 cups of coffee.
Extended data
The real risk of drinking energy drinks is high caffeine content. Taking it in large quantities for a long time may lead to addiction and even some mental disorders. "Just don't drink in large doses for a long time. As for the reasonable dosage of caffeine, there is no consensus.
Adults should not drink more than 300 mg a day, and the safe dose for teenagers is even lower. Studies have shown that teenagers who consume more than 200 mg of caffeine every day can cause impatience, nervousness, tremor, insomnia and headache, and long-term use can lead to hypertension and coronary heart disease.
People's Republic of China (PRC) listed caffeine as a "psychotropic drug", which belongs to drugs. According to Article 347 of the Criminal Law of People's Republic of China (PRC), whoever smuggles, sells, transports or manufactures drugs, regardless of the quantity, shall be investigated for criminal responsibility and punished.
According to Article 347 of the Criminal Law and the Supreme People's Court's interpretation, the maximum penalty for "a large quantity" (more than 200 kilograms) is death, and those involved in "a large quantity" (more than 50 kilograms but less than 200 kilograms) are sentenced to fixed-term imprisonment of more than 7 years. Article 348 of the Criminal Law classifies the illegal possession of "a large amount" or "a large amount" of drugs as a crime, which is punishable by imprisonment.
Baidu encyclopedia-caffeine (plant alkaloid)
People's Daily Online-Should children eat less caffeinated food? Some bread also contains caffeine.