Green tea vs coffee: Which beverage offers more health benefits?
10/28/2021 / By Joanne Washburn / Comments
Green tea vs coffee: Which beverage offers more health benefits?

Coffee is one of the most popular beverages in the world. A 2018 survey found that in the United States, 64 percent of Americans drink at least one cup of coffee every day.

But coffee isn’t the only source of caffeine. Green tea, which is made by gently heating fresh or dried tea leaves, contains enough caffeine to give you a boost in the morning. Green tea also offers plenty of other health benefits.

But if you’re not particularly averse to either coffee or green tea, you may be wondering which one is better for you. Read on to learn more about these popular beverages and how they can benefit your health.

Caffeine content and health benefits

Caffeine is the most widely consumed stimulant worldwide. It’s naturally found in coffee and tea. In fact, coffee and tea are the richest sources of caffeine in the human diet.

Generally speaking, coffee provides more than three times the amount of caffeine in green tea, which is why it’s such an invigorating drink to have in the morning or when you’re in a slump.

Caffeine works by stimulating your brain, helping you stay alert and preventing the onset of fatigue. It has also been shown to increase energy levels, quicken reaction time and enhance exercise performance. Additionally, it can improve your memory and your mood. Studies suggest that caffeine also has protective effects on the brain and that it may help reduce the risk of dementia and degenerative brain diseases.

Unfortunately, it’s tough for experts to conclusively narrow down the perks or pitfalls of either beverage mainly because it’s practically impossible to do long-term studies on either coffee or green tea without other confounding factors. So what do we know for sure?

For starters, coffee is healthier than you may realize. It’s packed with antioxidants, which can reduce inflammation and protect cells from damage caused by unstable molecules called free radicals.

Inflammation is implicated in various chronic diseases, including diabetes, Alzheimer’s disease and some types of cancer. Therefore, coffee, being rich in antioxidants that lower inflammation, may help lower your risk of certain chronic diseases.

However, green tea wins when it comes to antioxidant content. Green tea is rich in compounds called catechins that help fight inflammation. Epigallocatechin-3-gallate (EGCG), a type of catechin, is particularly effective against inflammation. In fact, EGCG has been associated with a lower risk of cancer and diabetes.

Green tea also contains polyphenols – powerful compounds that help manage blood sugar.

Moreover, coffee and green tea also have weight loss benefits. Coffee contains nutrients that improve digestion, like niacin (vitamin B3), potassium and magnesium. Maintaining healthy digestion or a well-functioning digestive system supports weight loss primarily because the process of digestion burns calories. The caffeine in coffee also boosts the rate at which your body burns calories.

On the other hand, a review published in the journal Obesity Reviews showed that the fat burned by one cup of green tea comes to 5.7 grams (g). The review also indicated that a daily cup of green tea is beneficial for stubborn weight loss, especially if it’s combined with a well-balanced diet and regular exercise.

Risks of drinking too much coffee or green tea

The pros and cons of drinking coffee or green tea are associated with caffeine. Therefore, the best one for you will depend on your body’s reaction to this natural stimulant. After all, nobody wants a rapid heart rate or to be kept up all night.

Caffeine’s unsavory effects are actually why some experts don’t recommend having coffee first thing in the morning. Coffee increases a hormone called cortisol, which is also known as the “stress hormone.”

Cortisol regulates your energy and alertness throughout the day. Cortisol is naturally high in the morning. Therefore, giving yourself an extra dose of cortisol when you wake up by drinking coffee can blunt the production of cortisol and mess with your body’s natural cycle. Moreover, some studies have shown that coffee, when consumed in the morning, can cause your body to produce more cortisol than it actually needs. This may negatively impact weight and hormone levels, as well as ovulation periods in women.

Aside from not drinking coffee first thing in the morning, you also shouldn’t have it on an empty stomach. That is because coffee stimulates acid production in the stomach, which can cause discomfort.

Drinking coffee in excess also has potential downsides, such as reduced bone density, higher cholesterol and an increased risk for heart disease.

Green tea, on the other hand, is easier on the gut than coffee. However, it isn’t the best option for people with a history of kidney stones. Green tea has high levels of oxalates, which are also produced as waste products by the body. Oxalates exit the body through urine, but too many oxalates may cause kidney stones in some people.

Other potential downsides to drinking too much green tea are stained teeth – which coffee can also cause – and poor iron absorption. Green tea contains antioxidants called tannins, which can interfere with and decrease how much iron your body actually absorbs in a meal.

Both coffee and green tea offer amazing health benefits. In most cases, you don’t really need to choose one over the other. You can have both. But if you find that you feel anxious or get jittery after drinking coffee, then switching to green tea might not be such a bad idea.

On the other hand, if the caffeine in green tea isn’t enough to perk you up in the morning, then you’re probably better off drinking coffee. Coffee is also great for when you need to boost athletic performance before a workout.

No matter which beverage you go for, remember to drink it in moderation so as to avoid the health problems excessive consumption can cause.

Sources:

FoodAndWine.com

OrganicFacts.net

FrontiersIn.org

OnlineLibrary.Wiley.com

Healthline.com

PureWow.com

Kidney.org

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