10 Evidence-Based Benefits of Green Tea

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10 Evidence-Based Benefits of Green Tea: Green tea could assist help cognition, maintenance of reasonable weight, and supply some safety against most cancers.

Green tea is touted to be one of the healthiest beverages on the planet that would have many potential health benefits.

Here are 10 possible health benefits of green tea.

1. Contains plant-based antioxidant compounds

Green tea contains a sort of polyphenol known as a catechin. Catechins are antioxidants that assist prevent cell damage and provideTrusted Source different health benefits.

The most well-known and plentiful catechin in green tea is epigallocatechin-3-gallate (EGCG), which researchTrusted Source has found could also be concerned in improving various health conditions or markers of disease.


Green tea has polyphenol antioxidants, including a catechin known as EGCG. These antioxidants may have various useful results on health.

2. May improve cognitive perform

2017 research paperTrusted Source found that drinking green tea could benefit cognition, mood, and brain perform, possibly due to compounds in green tea like caffeine and L-theanine.

A 2020 examine also advised that green tea is linked with a 64%Trusted Source lower chance of cognitive impairment in middle-aged and older adults. More human studies are wanted to further discover this impact.


Green tea has useful ingredients which will mix to improve brain perform and cognitive health. Green tea appears to be linked with a lower chance of cognitive impairment in center and older age.

3. Could assist with fat burning

2022 review found that the flexibility of green tea to positively affect your metabolism is enhanced with aerobic or resistance exercise.

That said, the National Institutes of Health Office of Dietary SupplementsTrusted Source means that while some studies do present an means for green tea to improve how your body breaks down fat, its total impact on weight loss is prone to be small.


Green tea could increase metabolic rate and increase fat burning in the brief time period, though not all studies agree. Green tea’s means to improve fat burning is improved when paired with exercise.

4. Might lower the risk of some cancers

While the proof is mixed and inconsistent, researchTrusted Source has linked drinking green tea with a reduced chance of developing some types of cancer, such as lung cancer or ovarian most cancers.

2020 reviewTrusted Source found that while experimental analysis shows a modest useful impact, scientists couldn’t conclude any constant results of green tea on total most cancers probability. Additional high high quality analysis is required.


There is a few proof of a relationship between drinking green tea and much less chance of certain cancers. But, much extra analysis in people is required to better discover this.

5. May protect the brain from getting older

2020 studyTrusted Source confirmed that green tea was linked with lower levels of certain markers related to Alzheimer’s disease in people with out present, identified cognitive points. Compounds such as EGCG and L-theanine could also be responsible.

However, a 2023 study reported that drinking too much, 13 cups or extra per day (all types of tea), may increase the chance of Alzheimer’s disease. Clinical proof on how exactly green tea affects the human brain is lacking.


The bioactive compounds in green tea could help brain health. Green tea might be linked with much less probability of neurodegenerative disease, but extra scientific studies in people are wanted to make clear any impact.

6. Could assist with oral health

2021 reviewTrusted Source of studies has found that drinking green tea, or using green tea extract, might be linked to better oral health.

However, most of the analysis on this topic didn’t study human topics. While results are promising, extra scientific analysis in people is needed.


There is encouraging proof that green tea may assist with oral health, but further studies are wanted.

7. May assist with the managing blood sugar

2020 reviewTrusted Source found that green tea could assist reduce blood sugar while fasting in the brief time period but doesn’t appear to have an impact on blood sugar or insulin in the long time period.

A 2021 examine on Chinese adults also advised a 10% lower chanceTrusted Source of death from type 2 diabetes for individuals who drink it day by day.

Other reviews found no results on any markers of blood sugar management in people with sort 2 diabetes, so the findings are inconclusive. Read extra about green tea and diabetes.


The analysis is mixed on the role green tea could play in decreasing the risk of sort 2 diabetes, or serving to with the general management of sort 2 diabetes.

»MORE:Living with diabetes? Explore our top resources.

8. Might assist prevent heart disease

A latest (*10*) means that regularly drinking green tea may lower many risk factors of heart disease, such as blood pressure or lipids.

That said, there may be still a lack of consistent, long-term proof in human clinical trials in a position to present cause and impact.


Green tea may assist lower some markers of heart disease. Studies present that people who drink green tea have a lower chance of heart disease, but extra scientific proof is required to substantiate the findings.

9. May assist you lose weight

Several studies present that green tea may help with weight loss.

A 2022 examine found drinking 4 or extra cups of green tea day by day was linked with a 44%Trusted Source lower chance of abdominal obesity, but the impact was only vital for girls.

But, green tea doesn’t appear to make any changesTrusted Source to your levels of hunger and fullness hormones, which assist regulate your urge for food. There’s also mixedTrusted Source proof on weight loss with green tea in normal.


Some studies present that green tea could result in increased weight loss and lower fat accumulation in the stomach space.

10. Might assist you live longer

Green tea could have protecting compounds against most cancers and heart disease, which can help you live longerResearchTrusted Source from Japan found that those that drank 5 cups or extra per day had a lower chance of death from all causes than these drinking one cup or much less.

A 2021 examine found that drinking seven cups of green tea day by day decreased the risk of death from all causes by 62%Trusted Source, even amongst people who’ve had heart assaults.


Studies present that people who drink green tea could live longer than those that don’t.

Frequently requested questions

What occurs if I drink green tea every day?

Generally talking, most people can get pleasure from green tea day by day as part of an in any other case balanced eating plan. While the proof is mixed, studies appear to point out health benefits with three to 5 cups (24 to 40 ounces) consumed day by day.

What is the primary benefit of green tea?

Drinking green tea has many benefits. It is high in antioxidants, which can assist prevent or treatment mobile damage and help your total health. This includes reducing certain markers of inflammation which can lower the risk of cognitive decline. It could even have some properties that assist protect against most cancers and heart disease.

How much green tea should you drink a day?

It could also be good to your health to drink 1-3 cups of green tea a day. Keep in thoughts that almost all green tea contains caffeine, except it has been decaffeinated, so drinking more than 6-8 cupsTrusted Source day by day is just not suggested.

Does green tea reduce belly fat?

Some research-based evidenceTrusted Source suggests drinking green tea may also help reduce body fat, including in the stomach. However, extra well-controlled human studies are wanted to point out a cause-and-effect relationship.


  1. Zen in a Cup: Green tea is like a meditation session for your taste buds. Sip away the stress and find your inner calm with every delicious sip.
  2. Antioxidant Avengers: Green tea is the superhero of antioxidants. It swoops in to fight off those pesky free radicals, keeping your cells safe and sound.
  3. Weight Loss Wonder: Looking to shed some pounds? Green tea has your back. It revs up your metabolism like a turbocharged engine, helping you burn calories faster than a cheetah on a treadmill.
  4. Brain Boost: Green tea is like rocket fuel for your brain. It sharpens your focus and boosts your memory, making you feel like a genius in no time.
  5. Heart Health Hero: Give your heart some love with green tea. It lowers your risk of heart disease like a knight in shining armor, keeping your ticker ticking happily ever after.
  6. Gut Guardian: Green tea is the gut’s best friend. It soothes inflammation and promotes healthy digestion, making your tummy feel like it just won the lottery.
  7. Immunity Idol: Green tea is your secret weapon against sickness. It boosts your immune system like a fortress, warding off colds and flu like they’re the plague.


  1. Bitter Brew: Green tea can be an acquired taste. If you’re not used to it, the flavor might hit you like a surprise pop quiz. But fear not, brave sipper—add a splash of honey and you’ll be golden.
  2. Caffeine Conundrum: Green tea packs a caffeine punch. If you’re sensitive to caffeine, one too many cups might leave you feeling jittery and wired, like you just signed up for a marathon you didn’t train for.
  3. Stained Smiles: Green tea can be a teeth-stainer. If you’re not careful, you might end up with a smile that’s more yellow than a school bus. Invest in some whitening toothpaste and sip away with caution.
  4. Stomach Sensitivity: Green tea on an empty stomach? Proceed with caution. Some people find that it can cause stomach upset or acid reflux, leaving them feeling queasy like they just rode a roller coaster.
  5. Sleep Saboteur: Green tea before bed? Not the best idea. With its caffeine content, it might keep you tossing and turning all night long, like you’re auditioning for a role in a Broadway musical.
  6. Pricey Picks: Quality green tea can put a dent in your wallet. If you’re not careful, you might end up spending more on tea leaves than you do on groceries. But hey, at least you’ll be well-caffeinated.
  7. Herbal Hazards: Green tea isn’t for everyone. Some people might experience allergic reactions or side effects, like a plot twist in a mystery novel. Always check with your doctor before diving into a new tea obsession.

The bottom line (10 Evidence-Based Benefits of Green Tea)

Green tea has a range of possible health benefits.

You could wish to think about making green tea a daily part of your lifestyle in a way that meets your private health goals and taste preferences.

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