People all around the world get their daily dose of caffeine through coffee or tea. Fair quantities of caffeine may present health benefits. Consuming large amount of caffeine can result in several health problems.

Caffeine is a psychoactive drug that is present in coffee, tea as well as chocolate naturally. Caffeine is mainly used for relieving headache, increase mental alertness, as well as treat increased urination problems since it helps the muscles to relax, stimulates cardiac muscle and promotes diuresis.

Green tea and coffee both contain caffeine but coffee has more caffeine compared to green tea.

Approximate amount of caffeine in green tea and coffee

Green Tea Coffee
About 25 mg Approximately 100- 150 mg

Caffeine content of different green Teas

Amount: 1 mug [8 fl oz]

Drink Caffeine in mg
Lipton Green Tea 16.4

Decaffeinated Stash Tea

Organic Stash Tea 27
Premium Stash Tea 30.2
Zest Green Tea 140
Bazza Green Tea 11.83
SoBe Green Tea 14

Caffeine content of different coffees

Amount: 1 mug [8 fl oz]

Drink Caffeine in mg
Americano 102.67
Cappuccino 102.67
Brewed Coffee 163
Espresso 410.67
Caffe Mocha 101.33
Latte 77
Turkish Coffee 200
Baskin Robbins Cappuccino Blast 78
Dunkin' Donuts Brewed Coffee 151
Dunkin' Donuts Dunkaccino 60.57
Dunkin' Donuts Iced Latte 32.33
Dunkin' Donuts Mocha 48.5
McDonalds Coffee 72.5
Starbucks Bottled Frappuccino 75.79
Starbucks Cold Brew Coffee 100
Starbucks Grande Caffe Americano 112.5
Starbucks Grande Caffe Mocha 87.5
Starbucks Grande Cappuccino 75
Starbucks Grande Coffee 165
Starbucks Latte Macchiato 112.5
Starbucks Decaf Coffee 12.5

Benefits of caffeine

Improve Alertness

Caffeine blocks adenosine receptors in your brain which prevents drowsiness caused by adenosine. As a result of consuming caffeine, you become more alert.

Helps to lose weight

Caffeine works with EGCG, the most potent catechin found in green tea, to burn calories and lose weight quickly. It helps in weight reduction by increasing the thermogenic activity and fat oxidation in the body.

Boosts energy

Caffeine is a stimulant and helps in reducing fatigue. In case of green tea, the catechins-caffeine combination significantly increase your daily energy expenditure.

Side effects of caffeine

High quantity of caffeine intake may cause headache, vomiting, irritability, insomnia, diarrhea, dizziness, and several more, one must be careful while consuming both coffee and green tea.

It is especially necessary for pregnant women to be cautious of their caffeine intake.

Recommended daily caffeine intake

It is advised that you limit the caffeine content you take in a day. While it also depends upon a person’s sensitivity and health conditions, here are some basic limits of daily caffeine intake.

  • For adults: 300-400 mg
  • For Children over 13: 100 mg
  • For Pregnant Women: Under 200 mg 


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