Which is more harmful: tea or coffee?

In this text we will discuss which of the two drinks is more harmful to health: coffee or tea. In addition, we will discuss the benefits of moderate consumption and the harm of excessive consumption of each of the drinks.

Which is more harmful: tea or coffee?

Both drinks, if consumed in moderation are not harmful to health. For many people, a good dose of caffeine is the main reason to choose tea or coffee.

Based on its composition alone, coffee would win by far in this regard: an ordinary cup of filter coffee contains 80 to 115 milligrams of caffeine, while the same amount of tea has half the dose of the substance (40 milligrams).

Both drinks have their own list of health pros – and cons. Need a drink to help you wake up in the morning? Coffee or black tea can help. Having digestion problems? Green tea and boldo are great options.

Which has more caffeine: coffee or tea?

Did you know that there are many other caffeinated drinks other than coffee? Therefore, caffeine can be present in many other drinks and foods, and you wouldn’t even notice. 

As a natural stimulant, caffeine can bring many benefits to the body, such as being able to activate, accelerate and increase energy production and metabolism.

Many experts recommend that its consumption be moderate, not exceeding the daily dose of 400mg per day, or 6mg/kg, the equivalent of 3 to 4 cups of coffee of 200 ml.

Herbal teas are examples of drinks with caffeine, but in low levels (about 20 to 90 milligrams), depending on the manufacturer and origin.

A cup of green tea, for example, typically contains about 25 to 40 milligrams of caffeine. Compared to coffee, 240 ml of green tea has an average of 20 mg of caffeine, while coffee has 60 to 120 mg.

A cup of black tea contains 15 to 60 milligrams of caffeine, with similar effects to green tea. Compared to coffee, 240 ml of black tea has, on average, only 45 mg of caffeine.

Can drinking too much tea be dangerous?

As with everything in life, too much is bad for you – and tea is no exception. This is because many of its properties, when consumed in large quantities, can be harmful to the body.

Black, green and mate teas, for example, have caffeine. This substance is thermogenic, increases concentration and decreases fatigue. But, when consumed in excess, it can cause anxiety, tachycardia and increased blood pressure.

And don’t think that this is exclusive to energy teas. Chamomile, for example, is famous for helping to relax and calm the mind, but when consumed in large quantities it is also unhealthy. 

This is because its properties can cause drowsiness, nausea and vomiting. Teas that are very digestive, such as lemongrass, also generate heartburn when consumed in excess. Boldo, much appreciated for its herbal purposes, can cause liver problems if not ingested sparingly

Generally speaking, it’s best not to drink more than 4 or 5 cups of this drink a day, but this, of course, varies by type.

What are the benefits and harms of coffee?

Excessive consumption of the drink can lead to some harm that is attributed to the use of coffee. Diuretic effect and loss of minerals and vitamins, causing weakening of the body. It has a direct relationship with the fibrocystic disease that is a precursor of breast cancer. 

It can cause skin irritation and other dermatological diseases such as warts and psoriasis and favor the appearance of intestinal polyps. 

It causes increased secretion of hydrochloric acid (constant heartburn) in the stomach leading to the appearance of gastritis and ulcer.

Moderate coffee consumption (two to four cups a day) has an effect on preventing diseases such as depression, liver cirrhosis, Alzheimer’s disease, asthma, type 2 diabetes, gallstones, bowel cancer, some types of headaches, or Parkinson’s.

Prevent drug and alcohol consumption and Improves attention and mental performance. It contains vitamins, minerals, antioxidants that fight free radicals and caffeine, the main active amine in coffee, which is quickly absorbed and reaches the brain in about 20 minutes after ingestion, where it acts by increasing the influence of the neurotransmitter dopamine.

Caffeine is a stimulant and as such can interfere with sleep and cause insomnia. Its use during pregnancy is not recommended due to the increased risk of miscarriage and congenital malformations. 

Regular use of caffeine can lead to addiction and discontinuation of coffee intake in these situations leads to withdrawal symptoms such as headache, fatigue, irritability, difficulty concentrating and muscle stiffness.

Other FAQs about Tea that you may be interested in.

Can I mix green tea and coffee?

How many calories does green tea have?

Can you be allergic to tea?

How to boil tea bags


In this text we discuss which of the two drinks is more harmful to health: coffee or tea. In addition, we discussed the benefits of moderate consumption and the harm of excessive consumption of each of the drinks.