Green Tea vs Coffee

Most people swear by green tea and coffee but only few can differentiate the two in terms of benefits and nutritional values.

According to them, the beverages are substitutes and any of them could do.

However, upon reading this article further, you will understand why you need to be acquainted with information regarding the two products.

In as much as they have some similar features, their differences will amaze you.

Some of the differences include:

Nutrition Values

The nutrition value for a 10g green tea sachet contain Caffeine 0.02g, proteins 0.2g,calcium 3mg,Iron 0.2mg,Potassium 27mg.

On the hand, the same amount for coffee contains Caffeine 0.06g, calcium 2mg and potassium 65mg.

Note that iron is only present in green tea.


Green tea comes in many forms such as bottled green tea, powdered, bagged and loose green tea.

Most bagged and loose green tea brands contain no calories while an 8-ounce serving of bottled green tea has about 60 calories.

Comparing to coffee, a 6-ounce serving of coffee brewed from grounds and prepared with tap water has only 2 calories.


The antioxidants present in a 10g green tea sachet include polyphenol 0.07g and Vitamin C 6mg.In the same amount for coffee, only polyphenol is present at 0.25g.

Note that these values vary depending with the green tea and coffee brands.


Although green tea brands vary in terms of calories, a cup of tea has approximately 55 milligrams of caffeine.

The caffeine present in green tea is gentle to the system because the effects take long to enter into the blood stream.

On the contrary, coffee has an approximately 125 milligrams of coffee per cup.

The effects of caffeine in coffee are immediate.

Note that the levels of caffeine are dependent with the brand.

Sleep Quality

Due to the presence of high amount of caffeine in coffee, coffee drinkers find it hard to fall asleep at night while green tea consumers have a long and undisturbed sleep.

Tooth Staining

Both coffee and green tea has the ability to turn white teeth to a murky yellow and brown color.

However, the natural pigment in green tea tends to cause more harm to the teeth enamel as compared to coffee.

Loss of Weight

While the caffeine in coffee has been seen to reduce appetite, it does not help much in the weight loss journey.

It is best recommended that you take green tea if you wish to lose weight as the EGCG and caffeine in green tea help shrink fat cells.


Whereas coffee raises the mood and energy levels, green tea tends to calm your nerves.

Green Tea and Coffee Similarities

  1. Method of Preparation

You will be amazed to know that the preparation of green tea is similar to that of coffee only that in green tea, it starts with the quality of a leaf while it is the quality of the bean in coffee that matters.

The steeping and temperature required for the two beverages is about three to five minutes.

  1. Both Are Loaded With Vitamins And Minerals

Although the quantities of vitamins and minerals vary in coffee and tea, their presence to both of the products offers many benefits to the body.

  1. Reduced Risk Of Diseases

Green tea and coffee have been associated with reduced risk of diseases such as cancer, stroke, Alzheimer and other heart connected ailments.

  1. Bitterness

One of the most common similarities about coffee and green tea is that they both taster if over steeped.

It is therefore important that you do not spend much time steeping as you might end up ruining a good cup of coffee or tea.

  1. Powerful Antioxidants

Although in varying amounts, both green tea and coffee contain antioxidants that help fight free radicals in the body and benefit different parts of the body such as the eyes.

Benefits of Green Tea

  • The caffeine present in green tea acts as a stimulant that helps improve the brain function.
  • Increases physical performance and fat burning.
  • The antioxidants present in green tea help lower chances of cancer.
  • Green tea helps to kill bacteria, lower risk of infection and improve the dental formula.
  • Lower the risk of Type 11 diabetes.
  • Reduce risk of cardiovascular diseases.
  • Helps to reduce bad cholesterol in the body.
  • Regular consumption of green tea can help reduce the effects of high blood pressure.
  • Helps to fight bad breath.
  • The antioxidants in green tea help to promote a healthier skin.
  • The EGCG in green tea produce histamine that produces an allergic response helping your body to stop reacting to allergens such as proteins.
  • Some studies suggest that it inhibits the growth of hormones that hinder hair growth causing the hair to fall.
  • The presence of antioxidant flavonoids helps to reduce platelet aggregation in the body.


Side Effects of Green Tea

In spite of green tea offering many benefits to your body, you need to be informed of the side effects.

They include:

  • Stomach problems due to the presence of tannins that might cause nausea, stomach ache and constipation.

To prevent this, avoid taking green tea in an empty stomach.

  • Iron deficiency and Anemia as a result of reduction of iron from food as a result of taking green tea in heavy doses.
  • Mild to serious headaches-Although green tea does not contain high amounts of caffeine, it still is a risk factor for chronic daily headaches.
  • Nutritional deficiencies due to the presence of polyphenols that bind up making it hard for the body to absorb certain iron supplements.
  • If taken with stimulant drugs, it might cause some heart conditions such as irregular heartbeat.
  • Taking green tea during the day can result to insomnia.
  • The caffeine in green tea acts as a stimulant which may end up stimulating the heart resulting to increased heartbeat.

Health Benefits of Coffee

  • Moderate coffee intake helps you to stay focus and alert at any time of the day.
  • The high caffeine in coffee helps to reduce the risk of Alzheimer disease and dementia.
  • Coffee is rich in antioxidants that help to fight the free radicals in your body.
  • Intake of coffee plays a vital role in the weight loss journey as it helps to reduce appetite and regulates the blood sugar levels which help to cut down on cravings for sugary things.
  • Caffeine helps to improve physical performance in individuals as it acts as instant energy allowing people especially those exercising to push a bit longer.
  • Helps to energize the heart and mind through the many nutrients it is packed with such as potassium, calcium and vitamins.

Side Effects of Coffee

  • Coffee is known to relax the lower esophageal sphincter which is meant to remain closed once you have eaten to prevent the items that you have eaten from flowing back.

Due to this, you are likely to experience heartburn and acid reflux.

  • Cancer causing chemicals

One of the most dangerous chemicals available in green tea is Acrylamide which is a substance that forms as a result of roasting coffee beans in high temperature.

  • Stress

As much as coffee helps increase the energy levels in your body, note that taking too much of it results to the release of stress hormones. These tend to increase the heart rate, tension levels and blood pressure.

  • Dehydration due to the presence of caffeine which is diuretic.

Due to its nature, it increases urine production risking heavy coffee drinkers to dehydration.

Which Is Best Recommended?

One of the most pertinent questions that most people ask is which of the two products that they should abide to.

From the above comparisons and contrasts, you are able to determine what will work for you best depending with what you want to accomplish.

However, it is clear that green tea is better than coffee because it contains less caffeine and offers many nutritional values and benefits  to your body.

The above is the important information you need to know about green tea and coffee.

Knowing the value of the content in your cup helps you to make an informed decision of whether to continue or ditch the product.

However, before you even get to the cup, it is very important that you be cautious when selecting the coffee or green tea brand that you need so that you do not end up with a disappointing brand.]

Ensure that you opt for organic brands and take time to shop around before settling for a particular brand.