Caffeine is a brain stimulant found in coffee, green tea and chocolate, for example, and has many benefits for the body, such as increased attention, better physical performance and stimulation of weight loss.
However, caffeine should be consumed sparingly, and its maximum daily dose should not exceed 400 mg per day, or 6 mg per kilogram of weight, which equates to approximately 4 cups of 200 ml of coffee or 8 coffees, as its excess causes damage. , such as insomnia, anxiety, tremors and stomach pain.
Refer to the following table for the list of foods that contain caffeine and the amount in each:
4 to 8 mg
Another convenient way to take or control the amount of caffeine per day can be in the form of supplements, such as capsules, or in the form of caffeine powder in its purified form, known as anhydrous caffeine or methylxanthin. Learn more about using caffeine capsules to lose weight and gain energy.
Caffeine acts as a nervous system stimulant, blocking substances that cause fatigue and increasing the release of neurotransmitters, such as adrenaline, norepinephrine, dopamine and serotonin, which activates the body and increases energy, strength and physical performance. Widely used by física. practicantes. Su activity also prevents fatigue, improves concentration, memory and mood.
Caffeine is also an excellent antioxidant, which fights cellular aging and prevents the formation of heart disease and also has a thermogenic effect, as it stimulates metabolism and accelerates heart rate, being an excellent ally for weight loss. Coffee benefits.
Caffeine should be consumed in small amounts or moderately, as its continued or exaggerated use can cause side effects, such as decreased absorption of calcium by the body, stomach pain, reflux and diarrhea, due to increased gastric and intestinal secretions, in addition to irritability, anxiety, insomnia, tremors and frequent need to urinate. , especially among the most sensitive people.
In addition, caffeine is physically addictive and therefore addictive, and its interruption can cause withdrawal symptoms, such as headache, migraine, irritability, fatigue and constipation. pressure or heart problems.