How Much Should You Drink?

Caffeine is a natural compound found in tea and coffee. Known for its stimulant properties, it is commonly used in carbonated drinks and sports drinks. Both brewed beverages are very popular and widely consumed around the world.

Caffeine binds to adenosine A1 receptors and blocks the action of adenosine. This is followed by the release of acetylcholine, which is responsible for the stimulating effect. However, you should keep in mind his recommended daily caffeine intake.

Why caffeine is popular

Caffeine boosts your mood, boosts your metabolism, and significantly improves your physical and mental performance. Overdose of caffeine, although rare, can be harmful.

Caffeine is also added in anhydrous and pure form to various pre-workout powders. It is often mixed into popular sports drinks and used for instant activation. Each brand recommends different daily amounts of caffeine across their products. Despite its widespread consumption, some people are caffeine intolerant, making them more susceptible to side effects.

Coffee is one of the world's most popular drinks (Image via Unsplash/Mike Kenneally)
Coffee is one of the world’s most popular drinks (Image via Unsplash/Mike Kenneally)

See if caffeine is good for your workout.

Recommended Daily Caffeine Intake

The Food and Drug Administration (FDA) has maintained an upper limit of 400 milligrams per day, equivalent to four to five cups of coffee. At this amount, caffeine is safe to consume and does not cause dangerous side effects. However, it can cause side effects.

Although the FDA does not publish recommended daily amounts of caffeine for children, the American Academy of Pediatrics discourages children and adolescents from consuming caffeine and other related beverages.

Let’s take a look at the side effects of too much caffeine.

side effects of caffeine

Consuming more than the recommended amount of caffeine can cause some side effects, including:

1) sleep problems

The most common side effect of overdose of caffeine is insomnia. In this state, it takes longer to fall asleep.

Caffeine stays in the body for about 5-6 hours, so drinking coffee in the evening or at night is not recommended.

Learn about the mental health benefits of getting more sleep.

2) Increased heart rate

Acetylcholine and adrenaline regulate heart function. Caffeine causes blockade of adenosine receptors. This causes an effect known as tachycardia or increased heart rate.

Consuming more than the recommended daily intake of caffeine can cause an irregular or increased heart rate. However, unless you have a history of heart disease, this elevated heart rate is not life-threatening.

Learn how to care for your mind naturally.

3) Anxiety

Consuming more than the recommended daily intake of caffeine can cause anxiety. It triggers the release of adrenaline, the hormone that controls the “fight or flight” response.

Overdose of caffeine causes nervousness, nervousness and anxiety. The severity of anxiety increases with the amount of caffeine consumed. This can lead to increased resistance to adenosine A1 receptors, which can be reversed by gradually reducing intake of this compound.

Check out our list of foods that can trigger anxiety and depression.

4) high blood pressure

Acetylcholine and adrenaline levels can greatly regulate blood pressure, as both hormones are involved in the contraction and relaxation of arterial walls.

Consuming more than the recommended daily intake of caffeine can cause prolonged constriction of blood vessels. It is recommended to follow the dosage.

Caffeine consumption can lead to high blood pressure (Image by Unsplash/Mockup Graphics)Caffeine consumption can lead to high blood pressure (Image by Unsplash/Mockup Graphics)
Caffeine consumption can lead to high blood pressure (Image by Unsplash/Mockup Graphics)

Learn how to control blood pressure naturally.


Consuming coffee or caffeinated products in excess of the recommended daily intake of caffeine can cause certain side effects. Most of these are mild and easily overcome. If you have any health problems, talk to your doctor about recommended caffeine intake. Reduce your caffeine intake or stop immediately if you experience any of the above side effects.

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