The most famous, affordable, relatively safe for health and natural stimulant is caffeine. The use of this substance allows you to overcome drowsiness and fatigue. However, drinking coffee in large doses is not recommended to avoid health problems. Frequent consumption of drinks, the content of caffeine in which is higher than normal, will also bring damage to the body.
Caffeine is a natural substance, this alkaloid is found in tea, coffee, carbonated drinks. Foods high in stimulant fall under the definition of energy drinks. By comparison, one cup of tea contains about 50 mg of caffeine, coffee has about 80 mg, and energy drinks have up to 90 mg per 250 ml.
What foods are high in caffeine
You can exceed your caffeine intake by drinking and eating safe foods. For example, a stimulant is also found in chocolate, cola, and caffeinated pain relievers. On average, for an adult, the permissible dose of an alkaloid is 300 mg, which is about three cups of strong coffee.
In the energy drinks produced by the advantage in 250 ml cans, the caffeine content varies. You can read information about the amount of stimulant in a particular product on the packaging. But in any case, energy drinks are not recommended for children under the age of 16. It should be borne in mind that drinks in cans that give vigor include other biologically active components. Together with caffeine, the same ginseng extract, taurine and other ingredients are able to form a "nuclear" mixture. It is not recommended to consume energy drinks for adults more than 1000 ml per day.
Why is high caffeine dangerous?
Often, caffeine is added as a stimulant to low alcohol drinks. The invigorating effect of them lasts for several hours, but at the same time, this substance helps to remove water from the body, increase blood pressure, and increase heart rate.
On sale you can also find caffeinated food additives, chewing gum. However, the amount of natural alkaloid in them almost never exceeds the norm. Caffeine will also be included in any tea - green, black, with additives.
It must be remembered that the consumption of caffeinated products leads to dehydration. The toxic dose of the substance averages 20 mg per kilogram of body weight. Therefore, it is necessary to calculate the rate of caffeine individually, taking into account caffeinated drinks, sweets and even medications.
And yet, natural coffee contains the most caffeine. In a 200 ml cup, the amount of a substance stimulating the nervous system is 100 mg. And in energy drinks it is no more than 175 mg per 500 ml. That is, there is about 35 mg of stimulant per 100 ml of liquid.
