Which has more caffeine: green or black tea?

In this brief article, we will provide you with the answer to the question: “Which has more caffeine: green or black tea?” and discuss the factors that affect the amount of caffeine in a cup of tea. We will also discuss if tea or coffee has more caffeine and the benefits and disadvantages of each one. 

Which has more caffeine: green or black tea?

Black tea has more caffeine than green tea. A cup of black tea with milk has around 47 mg of caffeine, while the same quantity of green tea has an average of 33 mg of caffeine.

Green tea is the most popular tea since it is more plentiful and less expensive. It is frequently used for weight reduction because it boosts metabolism, acts as an antioxidant, diuretic, and increases calorie burn.

Black Tea provides comparable advantages to green tea, although it is the least nutrient-dense of the Camellia sinensis teas. 

What factors influence the caffeine amount of a cup of tea?

The sort of tea leaf that was utilized

There are a few things that influence the caffeine content of your cup of tea. When brewed, broken tea leaves, such as those contained in teabags, will often impart more caffeine than whole leaves.

The quantity of tea used

The more tea leaves you put in your cup, the more caffeine you will get. Teabags provide a normal amount of tea leaf, but if you use loose leaf tea, you may add extra to the pot to boost caffeine levels.

The temperature of the tea-brewing water

Higher temperatures will boost the caffeine content since the caffeine from the leaves will be released faster by the hot water. The longer tea leaves are steeped,, the more caffeine is liberated. 

Which has more caffeine: tea or coffee?

Coffee has more caffeine than tea.  Caffeine exists in a lower percentage in the drink, but it can have longer-lasting effects due to the polyphenols (tannins) found in tea.

The caffeine content in tea varies according to procedures such as infusion, temperature, and beverage style. As a result, you can regulate the concentration of this substance in your drink and improve its effects.

Unlike coffee, caffeine in tea, when combined with the amino acid L-theanine, produces a sensation of relaxation and concentration at the same time, ensuring energy in a regulated manner and avoiding peaks while also keeping attention. after consumption

As a result, although coffee has higher caffeine content, the effects are evident in both beverages, albeit in different ways.

What are the benefits and disadvantages of tea and coffee?

Benefits and disadvantages of tea

The major advantage of tea is its antioxidant impact, which protects against inflammation, cancer, and cardiovascular disease thanks to polyphenols, which are abundant in green and white tea. In addition to avoiding stroke, the drink improves focus and reduces memory difficulties.

However, because of its high content of tannins, which alter the body’s iron level, the drink can be damaging to health when consumed on a regular and significant basis. As a result of the caffeine, tea can cause sleeplessness and anxiety, as well as having a diuretic impact and causing electrolyte loss.

In this way, you may manage the good and bad effects based on the amount of tea taken, emphasizing the need for moderation in connection to the beverage.

Benefits and disadvantages of coffee

The most well-known advantage of coffee is that it provides energy after intake owing to the natural stimulant caffeine, which is abundant in the beverage. 

Furthermore, coffee is a natural thermogenic, which means it speeds up your metabolism while also helping to prevent diabetes, cancer, and functioning as an antidepressant.

However, if drank in big quantities, coffee may be dangerous, developing addictions and promoting abstention in the absence of the drink. Moreover, it can cause gastritis, raise the risk of a heart attack, and has a diuretic effect.

As a result, it is important to dosage the quantity consumed in order to preserve the advantages of the drink while avoiding harmful effects on your body.

Which one is healthier: tea or coffee?

It is crucial to note that both beverages have comparable qualities and may be wonderful health friends if consumed in the appropriate doses. As a result, drinking tea or coffee moderately throughout the day might be beneficial in the same proportion.

Due to its high caffeine concentration, coffee might be a suitable alternative for individuals who want rapid energy to deal with the hustle and bustle of daily life. However, it is not recommended for persons who suffer from anxiety disorders since it might exacerbate the symptoms of the condition.

Furthermore, persons who are prone to addiction should limit their coffee consumption, as too much caffeine can lead to addiction. As a result, tea during the day may be more appropriate.

Other FAQs about Tea that you may be interested in.

Is tea a laxative like coffee?

What are the healthy alternatives to tea and coffee?

Is tea cheaper than coffee?

Does tea make you pee more than coffee?


In this brief article, we provided you with the answer to the question: “Which has more caffeine: green or black tea?” and discussed the factors that affect the amount of caffeine in a cup of tea. We also discussed if tea or coffee has more caffeine and the benefits and disadvantages of each one. 


Tudo Sobre Café. “Café ou chá: Qual tem mais cafeína? Qual é o mais saudável?” Acessado 8 de fevereiro de 2022. https://tudosobrecafe.com/cafe-ou-cha.

“How much caffeine is in tea? | BBC Good Food”. Acessado 8 de fevereiro de 2022. https://www.bbcgoodfood.com/howto/guide/how-much-caffeine-tea.

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