Is unsweetened green tea healthy?
Green tea: even better than you think!
Table of Contents
- Rich in health-promoting substances
- Supports the brain
- Boosts fat burning and performance
- Protection against cancer through antioxidants
- Reduces the risk of cardiovascular disease
- Protects against obesity and helps you lose weight
- Might help live longer
- Reduces the risk of developing type 2 diabetes
- Great variety
- Knowledge to take away
1. Rich in health-promoting substances
Just a boring tea? Not even close! There is much more to the popular hot drink than most people suspect and expect.
Green tea is rich in phytochemicals that have a supportive effect against many diseases. The most important are the so-called catechins. Catechins are bitter substances from plants and in green tea they consist of 30 to 40 percent of the dry leaf mass.
Due to their high antioxidant potential, catechins bring many health benefits and can, among other things Obesity and diabetes help.
Also, green tea is a good source of polyphenols, which reduce inflammation in the body and help it fight cancer cells (1). Free radicals are stopped in this way and have no possibility of damaging cells. This effect could even have a positive effect on the aging process in the long term.
2. Supports the brain
The caffeine in green tea makes us feel alert and clear, because caffeine blocks the receptors in the brain for a neurotransmitter called adenosine - with a significant effect. We feel fit and ours fatigue is temporarily suppressed.
At the same time, the concentration of the neurotransmitters dopamine and norepinephrine increases, which has a mood-enhancing effect (2).
Green tea has a similar effect to coffee, but without triggering the shaky, exaggerated feeling that comes with a cup of the black hot drink.
On the one hand, this is due to the fact that green tea contains less caffeine than coffee and on the other hand, it is because the amino acid L-theanine is present in green tea.
L-theanine acts directly in the brain on the neurotransmitter GABA, which has an anxiolytic effect. It also boosts the production of dopamine and helps the brain get into a state of concentration (3).
3. Boosts fat burning and performance
Green tea has been sold in concentrated form as a dietary supplement for many years. It is supposed to stimulate fat burning and thus shed the pounds.
In fact, some studies confirm this claim. Some participants showed an increase in energy expenditure and better mobilization of body fat (4).
Whether it's green tea metabolism really boosts, but remains controversial. Some studies show a positive effect where others find no effect (5).
Depending on how the tea drinker reacts to the caffeine it contains, it could actually be that he becomes a little more active during the day. The resulting urge to move could be expressed in a higher energy consumption. An indirect effect, which, however, presumably diminishes over time as the body gets used to caffeine.
4. Protection against cancer through antioxidants
Cancer is one of the leading causes of death worldwide. The uncontrolled growth of cells is known to be promoted by oxidative processes. To protect itself from this cell damage, the body needs antioxidants from plants (6).
Green tea is an excellent source of antioxidants. Among other things, it can protect against breast cancer, prostate cancer and colon cancer.
An observational study showed that those women who drank the most green tea had a 20 to 30 percent lower risk of developing breast cancer.
This effect was also shown in colon cancer. Tea drinkers were able to record up to 42 percent fewer illnesses here (7).
5. Reduces the risk of cardiovascular disease
Most people worldwide die as a result of cardiovascular disease. A healthy diet is proving to be a very effective way of significantly reducing the risk of illness, including a stroke or heart attack.
According to some studies, green tea could be an important part of a heart-healthy diet. Its consumption improves risk factors such as total cholesterol, LDL cholesterol, and triglyceride levels (8).
The numerous antioxidants can cause damage LDL cholesterol be repaired quickly. This improves the health of the vessels (9).
6. Protects against obesity and helps you lose weight
Green tea seems to be very suitable as a companion to a diet.
A study carried out over twelve weeks showed a significant reduction in body fat, body weight and waist circumference in the green tea group. The scientists suspect the reason for this is the high catechin intake (10).
However, since obesity is usually the result of a combination of poor diet and too little physical activity, it seems clear that green tea alone does not offer permanent protection. As a daily fatloss companion, however, it is almost unbeatable.
Want to lose weight but don't know where to start? In this cookbook you will find delicious recipes for the optimal start into an easier life.
7. Might help you live longer
Green tea is a healthy helper to reduce the likelihood of dying prematurely from cardiovascular disease or cancer.
A Japanese study looked at over 40,000 adults. Those who drank more than five cups of green tea a day had a significantly reduced chance of dying in the next eleven years.
The risk of tea drinkers dying during this period was reduced by 23 percent for women and 12 percent for men (11).
8. Reduces the risk of developing type 2 diabetes
When the body becomes insensitive to the hormone insulin, the blood sugar no longer reaches the cells in sufficient quantities. This insulin resistance can develop into type 2 diabetes.
More than 400 million people worldwide are affected by diabetes - and the number is rising. If you want to reduce your risk of disease, you should take action and look around for good strategies.
Green tea can improve insulin sensitivity and the Lower blood sugar levels(12). A meta-analysis of 18 studies showed that regular consumption of beverages containing caffeine, such as green tea or coffee, can reduce the risk of developing diabetes by up to seven percent (13).
How often, how much and when you consume green tea depends entirely on your goal and what health benefits you expect. The green tea varieties have different health effects that result from different cultivation and processing methods.
If you want to drink green tea every day, you should pay attention to organic quality when shopping in order to avoid pesticides and pollution. The tea varieties are particularly suitable as a base teaSencha and Gyokuro. Sencha is best known in western countries. The darker green and finer the leaves, the better the quality. Here the quality and prices of the products vary greatly (14).
Anyone who wants to drink good quality Sencha has many options, especially online, to order the tea without much effort. Among other things, the online shipping Amazon has a wide range. For example, it is very much appreciated by many green tea drinkers and although it has a proud price of 13.50 euros for 250 grams, it also scores with really good quality (15).
By the way, Sencha is also the most popular green tea in Japan. Unlike other varieties, it is exposed to direct sunlight. The organic Sencha tea from Steinberger (DE-ÖKO-039) tastes unmistakably fine-tart aromatic and develops a rich, grassy smell. You can buy it online here, as can matcha in organic quality.
Knowledge to take away
Green tea has been drunk in Asia for many centuries. It has long been widespread in the West and is enjoying growing popularity.
Its health benefits are many. It is an excellent source of antioxidants. These protect the body from cancer, are good for the blood vessels and also protect against diabetes.
Green tea has a different effect than coffee. Its effect is milder and better tolerated. The amino acid L-theanine found in green tea stimulates our brain and helps us to find a state of relaxed concentration.
If you want to prevent obesity or lose excess pounds, green tea is the right place for you. It is a good support for a diet and gives you energy for the day.
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