Green Tea: Your Comprehensive Guide – Answering 50 Common Questions

Renowned for its potential health benefits and unique flavors, Green Tea has captivated the taste buds and piqued the curiosity of people around the globe. This comprehensive guide delves into the diverse aspects of green tea, seeking to provide answers to 50 of the most common questions surrounding this popular brew. Whether you’re a seasoned tea enthusiast or just beginning to explore the world of teas, this article aims to offer a wealth of information and insights to satisfy your curiosity and enhance your appreciation of green tea.

Green Tea: 50 Questions & Answers

What is Green Tea?

Green tea is a popular ingredient used in beverages and supplements made from the leaves of the Camellia sinensis plant. Unlike black tea, green tea is minimally processed, which helps retain its natural color and many health benefits. It has a mild, earthy flavor and is enjoyed for both its taste and potential health advantages.

What is the scientific name of Green Tea?

The scientific name of the tea plant from which green tea is derived is Camellia sinensis. This species is responsible for various types of tea, including green, black, white, and oolong, depending on the processing methods.

Does Green Tea have other common names?

Yes, green tea may go by different names in various cultures and regions. For example, in Japan, it’s known as “Ryokucha,” while in China, it’s often referred to as “lu cha.” These names are indicative of the regional variations and traditions associated with green tea.

What is Green Tea’s traditional and modern medicinal use?

Green tea has a rich history of traditional medicinal use dating back centuries, particularly in East Asian cultures. It was used to treat various ailments, promote mental alertness, and improve digestion. In modern times, research has highlighted its potential health benefits, including antioxidant properties, which may help reduce the risk of chronic diseases, aid in weight management, and support cardiovascular health. Green tea has also been studied for its potential in cancer prevention and cognitive function.

What nutrients (vitamins, minerals, antioxidants, etc.) does Green Tea contain?

Green tea is a rich source of bioactive compounds. It contains various vitamins, including vitamin C and B vitamins, as well as minerals like potassium and fluoride. However, its most notable components are antioxidants called catechins, with epigallocatechin gallate (EGCG) being the most abundant. These antioxidants are believed to contribute to many of green tea’s health benefits, as they help combat free radicals in the body and have anti-inflammatory properties. Green tea also contains caffeine, which provides a mild stimulant effect.

Find the Best Green Tea Products

Thousands of customer reviews are available to help you make the right choice. Embrace the power of nature!

Are there any potential side effects associated with Green Tea?

Yes, there can be potential side effects associated with Green Tea, although they are generally mild. These may include caffeine-related issues such as nervousness, insomnia, upset stomach, or a rapid heartbeat. However, the caffeine content in Green Tea is lower than in coffee, so these effects are usually less pronounced. Additionally, some individuals might experience allergic reactions or digestive discomfort due to the tannins in Green Tea. It’s essential to monitor your body’s response and consult a healthcare professional if you encounter any adverse effects.

The recommended dosage for Green Tea varies depending on the specific product and its concentration. Generally, a typical serving size is about 1 to 3 cups of brewed Green Tea per day. Each cup typically contains around 30-50 milligrams of caffeine. However, it’s crucial to read the label on the product you’re using, as Green Tea supplements, extracts, and concentrates may have different recommended dosages. If you have any concerns or medical conditions, consult with a healthcare provider to determine the right dosage for your individual needs.

Is Green Tea safe for pregnant or breastfeeding women?

Green Tea is generally safe for pregnant or breastfeeding women when consumed in moderation. However, due to its caffeine content, it’s advisable for pregnant women to limit their intake to 2-3 cups per day to avoid excessive caffeine intake, which can potentially affect fetal development. Decaffeinated Green Tea is also an option for those looking to minimize caffeine intake. As always, consult with a healthcare professional before making any significant dietary changes during pregnancy or while breastfeeding.

Can children safely consume Green Tea?

Children can safely consume Green Tea in moderation, but it’s essential to be cautious about the caffeine content. Given that children are more sensitive to caffeine than adults, it’s best to limit their Green Tea intake. One cup per day or less is generally considered safe for children. However, consult with a pediatrician if you have concerns or if your child has any underlying health conditions.

How should Green Tea be prepared or consumed (e.g., tea, tincture, capsules, tablets)?

Green Tea can be prepared and consumed in various ways, including as a hot or cold beverage, in the form of capsules, tablets, or tinctures. To make Green Tea, simply steep Green Tea leaves in hot water (not boiling) for 2-3 minutes. You can adjust the steeping time and temperature to achieve your desired strength. Some people prefer to add honey or lemon for flavor. Green Tea capsules and tablets offer a convenient alternative for those who prefer not to drink tea but still want to enjoy its potential health benefits. Always follow the recommended preparation and dosage instructions on the product label.

Are there any contraindications or health conditions that Green Tea may worsen?

Green tea is generally safe for most people when consumed in moderation. However, it may worsen certain health conditions or interact with medications. If you have iron-deficiency anemia, anxiety disorders, glaucoma, or are sensitive to caffeine, it’s advisable to consult with a healthcare professional before consuming large amounts of green tea.

Where is Green Tea usually sourced or cultivated?

Green tea is primarily sourced from the Camellia sinensis plant, which is cultivated in various regions worldwide. Some of the most renowned green tea-producing countries include China, Japan, India, and Sri Lanka. The specific type of green tea and its flavor profile can vary significantly depending on the region and the processing methods used.

Yes, green tea is legal to possess and use in the United States. It is readily available in grocery stores, health food shops, and online retailers. You can enjoy green tea in various forms, including loose leaves, tea bags, or as part of beverages and supplements.

Are there any known allergens in Green Tea?

Green tea itself is not a common allergen; however, some people may be sensitive to it due to its caffeine content. If you have a known caffeine allergy or sensitivity, it’s advisable to exercise caution when consuming green tea. Additionally, some flavored or blended green teas may contain allergenic ingredients like nuts or artificial flavorings, so it’s essential to check product labels if you have allergies.

May Green Tea supplements contain contaminants like pesticides or heavy metals?

Green tea supplements may, on rare occasions, contain contaminants like pesticides or heavy metals. To ensure product safety, it’s advisable to choose reputable brands that undergo third-party testing and quality control. Additionally, if you are concerned about potential contaminants, you can opt for organic or pesticide-free green tea supplements, which are generally subjected to stricter quality standards.

Are there any known long-term effects of using Green Tea?

Green tea is generally considered safe when consumed in moderation over the long term. It is often associated with several health benefits due to its rich content of antioxidants, particularly catechins. These antioxidants may help reduce the risk of chronic diseases and improve overall well-being. However, excessive consumption of green tea or green tea supplements can lead to potential side effects, including digestive issues, caffeine-related problems (such as insomnia or anxiety), and iron absorption interference. To enjoy the benefits of green tea without adverse effects, it’s advisable to consume it in reasonable amounts, typically up to 3-4 cups per day.

Do Green Tea supplements have a specific shelf life or expiration date?

Green tea supplements, like most dietary supplements, come with a specific shelf life and expiration date. It’s crucial to check the packaging for this information and adhere to it diligently. Expired supplements may lose their potency and effectiveness, and in some cases, they can even become harmful. Proper storage in a cool, dry place can help extend the shelf life of green tea supplements. If you’re unsure about the safety or efficacy of a product that has passed its expiration date, it’s advisable to consult with a healthcare professional before consuming it.

What is the best time of day to take Green Tea?

The best time to consume green tea largely depends on your individual preferences and lifestyle. Many people enjoy green tea in the morning as it provides a gentle caffeine boost and can help kickstart the day. Others prefer to have it after meals to aid digestion. It’s essential to note that green tea contains caffeine, albeit in lower amounts than coffee, so sensitive individuals may want to avoid it too close to bedtime to prevent sleep disturbances. Ultimately, the best time to take green tea is when it fits seamlessly into your daily routine and aligns with your tolerance for caffeine.

Should Green Tea pills be taken with food or on an empty stomach?

Whether you should take green tea pills with or without food depends on the specific product and your tolerance. Some people may experience mild stomach discomfort when taking green tea pills on an empty stomach due to the caffeine content. In such cases, consuming them with food can help mitigate this issue. However, if you have a robust stomach and no adverse reactions, taking green tea pills on an empty stomach should not pose significant problems. It’s a good practice to follow the manufacturer’s instructions provided on the product label for the best results and to minimize any potential side effects.

Are there any dietary restrictions or guidelines while using Green Tea?

While there are no strict dietary restrictions associated with green tea, there are some guidelines to consider. Green tea is generally safe when consumed in moderation as part of a balanced diet. However, it’s important to note that green tea contains caffeine, which can affect individuals differently. If you’re sensitive to caffeine or have certain medical conditions, it’s advisable to limit your green tea intake or opt for decaffeinated versions. Additionally, excessive consumption of green tea may interfere with the absorption of certain minerals, so it’s prudent not to consume excessive amounts, especially with meals. As with any dietary changes, it’s a good idea to consult with a healthcare professional if you have specific concerns or medical conditions that may impact your green tea consumption.

The recommended duration of use for Green Tea varies depending on individual preferences and health goals. For general consumption as a beverage, there is no specific limit, and it can be enjoyed daily. However, for Green Tea supplements or extracts, it’s advisable to follow the recommended dosage on the product label and consult with a healthcare professional for guidance on prolonged use.

Is it advisable to consult a healthcare professional before using Green Tea?

Yes, it is advisable to consult a healthcare professional before incorporating Green Tea into your routine, especially if you have any underlying health conditions or are taking medications. They can provide personalized advice based on your specific health needs and potential interactions with medications.

Are there any special precautions for storing Green Tea supplements?

To maintain the freshness and quality of Green Tea supplements or loose leaves, it’s essential to store them properly. Store them in an airtight container in a cool, dry place, away from direct sunlight and moisture. This will help prevent oxidation and preserve the flavor and benefits of Green Tea.

How does Green Tea taste, and can it be mixed with other herbs or foods for palatability?

Green Tea has a mild, slightly astringent taste with grassy and earthy notes. Its flavor can be enhanced or customized by adding herbs like mint or spices like ginger for a refreshing twist. Some people also enjoy mixing Green Tea with a touch of honey or lemon for added sweetness and flavor.

What other supplements work well together with Green Tea?

Green tea can be combined with various supplements to enhance its health benefits. Here are some supplements that work well with green tea:

  • Turmeric (Curcumin): Green tea and curcumin, the active compound in Turmeric, has potent anti-inflammatory and antioxidant properties. Combining these two can provide comprehensive health support.
  • Ginger: Ginger and green tea both have anti-inflammatory properties and can support digestion. This combination is excellent for overall wellness.
  • L-Theanine: L-Theanine, an amino acid found in green tea, can be taken alongside green tea to enhance its calming and focus-boosting effects without causing drowsiness.
  • Ginseng: The combination of green tea and Ginseng can help improve energy levels, focus, and cognitive function. Both are known for their adaptogenic properties.
  • Milk Thistle: When taken with green tea, Milk Thistle may help support liver health and detoxification processes.
  • Catechins (EGCG): Epigallocatechin gallate (EGCG) is a powerful antioxidant found in green tea. Some people choose to take EGCG supplements alongside green tea to maximize its antioxidant benefits.
  • Fish Oil (Omega-3 Fatty Acids): Combining green tea with omega-3 fatty acids from fish oil can have a positive impact on cardiovascular health and overall well-being.
  • Vitamin C: Vitamin C can enhance the absorption of the catechins in green tea. A vitamin C supplement or foods rich in vitamin C, like citrus fruits, can be beneficial when consumed with green tea.
  • Probiotics: Green tea, with its natural polyphenols, can support gut health. Combining it with a probiotic supplement can help maintain a healthy balance of gut bacteria.
  • Quercetin: Quercetin, found in foods like apples and onions, is another antioxidant that may complement the benefits of green tea.

Is there any scientific research or clinical evidence supporting Green Tea’s effectiveness?

Yes, there is a substantial body of scientific research and clinical evidence supporting the effectiveness of Green Tea. It contains bioactive compounds like catechins, which have antioxidant properties and potential health benefits. Studies suggest that Green Tea consumption may help with weight management, improving heart health, reducing the risk of certain cancers, and supporting cognitive function.

Find the Best Green Tea Products

Thousands of customer reviews are available to help you make the right choice. Embrace the power of nature!

Are there any age restrictions for using Green Tea (e.g., suitable for the elderly)?

Green Tea is generally considered safe for individuals of all ages, including the elderly. However, it’s essential to monitor caffeine intake, as Green Tea contains caffeine, which can affect sleep patterns and be more sensitive for older individuals. Consulting a healthcare professional is advisable for those with specific health concerns.

Does Green Tea require a specific preparation method, such as decoction or infusion?

Green Tea can be prepared using various methods, but the most common ones are infusion and steeping. To make Green Tea, you typically pour hot water (not boiling) over the tea leaves or tea bag and allow it to steep for 2-3 minutes. Adjust the steeping time and water temperature to your taste preference.

Can Green Tea be used topically (externally) in addition to internal consumption?

Yes, Green Tea can be used topically for external applications. Its antioxidant and anti-inflammatory properties make it suitable for skincare. You can use cooled brewed Green Tea as a toner, apply Green Tea extracts in skincare products, or even create homemade face masks with Green Tea powder.

Are there any known symptoms of overdose or excessive use of Green Tea?

While Green Tea is generally safe when consumed in moderation, excessive use can lead to certain side effects. Symptoms of Green Tea overdose or excessive consumption may include insomnia, increased heart rate, restlessness, digestive issues, and in rare cases, liver damage. It’s crucial to moderate your Green Tea intake, especially if you are sensitive to caffeine or have underlying health conditions. Consult a healthcare professional if you experience any adverse effects from excessive Green Tea consumption.

What is Green Tea’s mode of action within the body?

Green tea’s mode of action within the body is primarily attributed to its rich content of bioactive compounds, particularly catechins. Epigallocatechin gallate (EGCG) is the most abundant and well-studied catechin in green tea. These compounds act as potent antioxidants, helping to combat oxidative stress and reduce cell damage. Additionally, EGCG has been shown to modulate various cellular signaling pathways, contributing to its potential health benefits.

Are there any known synergistic effects when Green Tea is combined with specific nutrients?

Yes, green tea can exhibit synergistic effects when combined with certain nutrients. For example, the combination of green tea and vitamin C can enhance the absorption of catechins. Studies suggest that vitamin C stabilizes catechins and helps them remain in the bloodstream for longer periods, maximizing their potential health benefits. Combining green tea with black pepper (piperine) may also improve the bioavailability of its active compounds.

Does Green Tea have a distinct aroma or essential oil that may have therapeutic benefits?

Green tea does have a distinct aroma, characterized by its fresh, grassy, and slightly vegetal scent. While it may not have essential oils in the same way as some other plants, the aroma of green tea has been used in aromatherapy for relaxation and stress reduction. Inhaling the aroma of green tea may have mild therapeutic benefits by promoting a sense of calm and well-being.

Are there any cultural or historical uses of Green Tea that should be considered?

Green tea has a rich cultural and historical significance, particularly in Asian countries like China and Japan. It has been consumed for thousands of years and is an integral part of traditional tea ceremonies. Green tea is often associated with mindfulness, meditation, and social bonding in these cultures. Understanding these cultural and historical aspects can enhance our appreciation of green tea and its role beyond its health benefits.

Does Green Tea have any spiritual or ceremonial significance in certain traditions?

Yes, green tea holds spiritual and ceremonial significance in various traditions, most notably in Japanese culture. The Japanese tea ceremony, known as “chanoyu” or “sado,” is a highly ritualized practice centered around the preparation and consumption of matcha, a powdered green tea. This ceremony emphasizes mindfulness, aesthetics, and the appreciation of simple pleasures. It serves as a spiritual and social experience, promoting harmony, respect, and tranquility among participants. Green tea also plays a role in other spiritual practices and ceremonies in different cultures, often symbolizing purity, balance, and connection to nature.

Are there any variations in Green Tea’s potency based on its geographic origin?

Yes, there are variations in Green Tea’s potency based on its geographic origin. Factors like climate, soil quality, and cultivation methods can influence the tea’s flavor, aroma, and chemical composition. For instance, Japanese Green Teas, such as matcha and sencha, have distinct characteristics compared to Chinese Green Teas like Dragon Well or Gunpowder.

Does Green Tea have a known effect on specific organs or body systems?

Green Tea is known to have various effects on specific organs and body systems. It contains antioxidants, such as catechins, which may promote cardiovascular health by reducing LDL cholesterol levels and improving blood vessel function. Additionally, its polyphenols can support overall well-being, including potential benefits for skin health, weight management, and dental hygiene.

Are there any known interactions of Green Tea with commonly prescribed medications?

Green Tea can interact with certain medications. It may interfere with drugs that affect blood clotting or blood pressure, such as anticoagulants or beta-blockers. It’s essential to consult your healthcare provider if you are on prescription medications to discuss any potential interactions.

What are the potential benefits and risks of long-term or chronic use of Green Tea?

The long-term or chronic use of Green Tea offers several potential benefits. Regular consumption has been associated with a reduced risk of chronic diseases like heart disease and certain types of cancer. However, excessive intake may lead to caffeine-related side effects, such as insomnia or digestive issues. Moderation is key, and it’s advisable to limit consumption to a reasonable amount, typically 3-4 cups per day.

Is it advisable to cycle on and off Green Tea to prevent tolerance or dependence?

Cycling on and off Green Tea to prevent tolerance or dependence is not typically necessary. Unlike some substances, Green Tea does not lead to physical addiction. However, if you find that you’ve built up a tolerance or are experiencing side effects, taking short breaks from Green Tea consumption can help reset your sensitivity and reduce any potential tolerance issues. Always listen to your body’s cues and adjust your consumption accordingly.

Are there any precautions regarding driving or operating machinery while using Green Tea?

When consuming Green Tea in moderation, there are generally no specific precautions related to driving or operating machinery. However, it’s essential to be mindful of the caffeine content in green tea, which can vary among different brands and types. Excessive caffeine intake can lead to restlessness, jitters, and increased heart rate, which may impair your ability to focus. If you are sensitive to caffeine, it’s advisable to limit your consumption or avoid drinking green tea before activities that require alertness.

Green tea is a healthy beverage, and incorporating it into your diet can have numerous benefits. However, it’s essential to maintain a balanced diet and not rely solely on green tea for your nutritional needs. If you have specific dietary restrictions or health conditions, consult with a healthcare professional for personalized advice. Additionally, maintaining a healthy lifestyle that includes regular exercise, proper hydration, and a well-rounded diet can complement the potential health benefits of green tea.

Does Green Tea have any specific recommendations for addressing common side effects?

Green tea is generally well-tolerated when consumed in moderation. Some people may experience mild side effects like digestive discomfort or insomnia due to its caffeine content. To address these issues, consider drinking green tea earlier in the day to minimize sleep disturbances and avoid consuming it on an empty stomach to prevent digestive discomfort. If side effects persist, you may want to reduce your intake or opt for decaffeinated green tea, which contains lower levels of caffeine.

Are there any known variations or subspecies of Green Tea with different properties?

Yes, there are several variations and subspecies of green tea, each with distinct flavor profiles and potential health benefits. Some popular types include matcha, sencha, genmaicha, and jasmine green tea. Matcha, for example, is known for its vibrant green color and high concentration of antioxidants. Sencha is a widely consumed Japanese green tea with a slightly grassy flavor. Genmaicha combines green tea with roasted brown rice, offering a unique nutty taste. Jasmine green tea features jasmine blossoms, imparting a floral aroma. Each variety may have specific properties, so exploring different types can be a delightful way to discover your preferences.

Does Green Tea have any documented cases of misuse or abuse?

Green tea is generally safe for consumption when used responsibly. However, excessive consumption of green tea, particularly in the form of concentrated supplements or extracts, has been associated with adverse effects such as liver damage and digestive issues. It’s crucial to adhere to recommended daily limits, typically around 3-4 cups of brewed green tea per day. If you have concerns about misuse or abuse, consult with a healthcare professional for guidance on safe consumption and potential interactions with medications or existing health conditions.

Is Green Tea regulated or approved for medicinal use in the United States?

Yes, green tea is regulated and approved for medicinal use in the United States by the Food and Drug Administration (FDA). It is classified as a dietary supplement and is generally recognized as safe when consumed in moderate amounts.

Are there any known interactions of Green Tea when combined with other medicinal herbs?

Green tea may interact with certain medicinal herbs. For example, it can interact with herbs like ginkgo biloba or ginseng, potentially leading to increased caffeine sensitivity or changes in blood pressure. It’s essential to consult with a healthcare professional before combining green tea with other herbs to ensure safety and efficacy.

How does Green Tea’s preparation or dosage change for acute versus chronic conditions?

The preparation and dosage of green tea can vary depending on whether it is being used for acute or chronic conditions. For acute conditions, such as a temporary boost in energy or focus, a single cup of green tea is usually sufficient. For chronic conditions or long-term health benefits, regular consumption of 2-3 cups daily is often recommended.

Find the Best Green Tea Products

Thousands of customer reviews are available to help you make the right choice. Embrace the power of nature!

Are there any known withdrawal symptoms when discontinuing the use of Green Tea?

Green tea typically does not lead to withdrawal symptoms when discontinuing its use. Unlike substances like caffeine, which can cause withdrawal headaches and fatigue, green tea’s caffeine content is relatively moderate. Still, if someone has been consuming excessive amounts of green tea regularly, reducing intake gradually may be advisable to minimize any potential discomfort.

What are the best supplement brands of Green Tea?

Some reputable supplement brands that offer high-quality green tea supplements include Nature’s Way, NOW Foods, and Jarrow Formulas. It’s important to look for products that are standardized for their active compounds, like catechins, and choose those with third-party testing for purity and potency to ensure you’re getting a reliable product. Additionally, consulting with a healthcare professional can help you find the most suitable brand for your specific needs.

Article References & Sources

At AncientHerbsWisdom, our content relies on reputable sources, including peer-reviewed studies, to substantiate the information presented in our articles. Our primary objective is to ensure that our content is thoroughly fact-checked, maintaining a commitment to accuracy, reliability, and trustworthiness.

  1. Tang, G.-Y., et al. (2019). Health functions and related molecular mechanisms of tea components: An update review [Abstract].
  2. Abe SK, et al. (2019). Green tea consumption and mortality in Japanese men and women: A pooled analysis of eight population-based cohort studies in Japan.
  3. Di Lorenzo, A., et al. (2017). Effects of tea and coffee consumption on cardiovascular diseases and relative risk factors: An update [Abstract].
  4. Abe SK, et al. (2020). Green tea and cancer and cardiometabolic diseases: A9 review of the current epidemiological evidence.
  5. Filippini, T., et al. (2020). Green tea (Camellia sinensis) for the prevention of cancer.
  6. Abunofal O, et al. (2022). Salubrious effects of green tea catechins on fatty liver disease: A systematic review.
  7. Guasch-Ferré, M., et al. (2017). Dietary polyphenols, Mediterranean diet, prediabetes, and type 2 diabetes: A narrative review of the evidence.
  8. Asbaghi O, et al. (2020). Effect of green tea on glycemic control in patients with type 2 diabetes mellitus: A systematic review and meta-analysis.
  9. Okello, E. J., et al. (2011). In vitro protective effects of colon-available extract of Camellia sinensis (tea) against hydrogen peroxide and beta-amyloid (Aβ((1-42))) induced cytotoxicity in differentiated PC12 cells [Abstract].
  10. Dietary Supplements for Weight Loss. (2022).
  11. Prasanth, M. I., et al. (2019). A review of the role of green tea (Camellia sinensis) in antiphotoaging, stress resistance, neuroprotection, and autophagy.
  12. Di Sotto A, et al. (2022). Efficacy and safety of oral green tea preparations in skin ailments: A systematic review of clinical studies.
  13. Sharma, P., et al. (2018). Tea polyphenols for the prevention of UVB-induced skin cancer [Abstract].
  14. Dodd FL, et al. (2015). A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood.
  15. Xu R, et al. (2020). Effect of green tea supplementation on blood pressure: A systematic review and meta-analysis of randomized controlled trials.
  16. Fan FS. (2016). Iron deficiency anemia due to excessive green tea drinking.
  17. Ohishi, T., et al. (2016). Anti-inflammatory action of green tea [Abstract].
  18. Filippini T, et al. (2020). Green tea (Camellia sinensis) for the prevention of cancer.
  19. Pang, J., et al. (2016). Green tea consumption and risk of cardiovascular and ischemic related diseases: A meta-analysis [Abstract].
  20. Kwak J, et al. (2022). Association between green tea consumption and abdominal obesity risk in middle-aged Korean population: Findings from the Korean genome and epidemiology study.
  21. Kokubo, Y., et al. (2013). The impact of green tea and coffee consumption on the reduced risk of stroke incidence in Japanese population.
  22. Lange KW, et al. (2022). Green tea, epigallocatechin gallate and the prevention of Alzheimer’s disease: Clinical evidence.
  23. Rothenberg, D. O., et al. (2018). A review on the weight-loss effects of oxidized tea polyphenols.
  24. Lange KW. (2022). Tea in cardiovascular health and disease: A critical appraisal of the evidence.
  25. Ma YH, et al. (2020). Associations of green tea consumption and cerebrospinal fluid biomarkers of Alzheimer’s disease pathology in cognitively intact older adults: The CABLE study.
  26. Voora, V., et al. (2019). Global market report: Tea.
  27. Mancini E, et al. (2017). Green tea effects on cognition, mood and human brain function: A systematic review.
  28. Schmidt, A., et al. (2014). Green tea extract enhances parieto-frontal connectivity during working memory processing.
  29. Mazur M, et al. (2021). Impact of green tea (Camellia sinensis) on periodontitis and caries. Systematic review and meta-analysis.
  30. Liu, K., et al. (2013). Effect of green tea on glucose control and insulin sensitivity: A meta-analysis of 17 randomized controlled trials.
  31. Musial C, et al. (2020). Beneficial properties of green tea catechins.
  32. Zheng, X.-X., et al. (2011). Green tea intake lowers fasting serum total and LDL cholesterol in adults: A meta-analysis of 14 randomized controlled trials.
  33. Neyestani TR, et al. (2022). A comprehensive overview on the effects of green tea on anthropometric measures, blood pressure, glycemic and lipidemic status: An umbrella review and meta meta-analysis study.
  34. Ma, Q.-P., et al. (2016). Meta-analysis of the association between tea intake and the risk of cognitive disorders.
  35. Nie J, et al. (2021). Tea consumption and long-term risk of type 2 diabetes and diabetic complications: A cohort study of 0.5 million Chinese adults.
  36. Xu R, et al. (2020). Effects of green tea consumption on glycemic control: A systematic review and meta-analysis of randomized controlled trials.
  37. Rajan L, et al. (2022). Green tea polyphenols in cardiometabolic health: A critical appraisal on phytogenomics towards personalized green tea.
  38. What Is Alzheimer’s Disease? (2021).
  39. Rasaei N, et al. (2021). Effect of green tea supplementation on antioxidant status in adults: A systematic review and meta-analysis of randomized clinical trials.
  40. Zhang J, et al. (2020). Association between tea consumption and cognitive impairment in middle-aged and older adults.
  41. Rostamian Mashhadi M, et al. (2022). The interaction effect of green tea consumption and exercise training on fat oxidation, body composition and blood lipids in humans: A review of the literature.
  42. Kuriyama, S., et al. (2006). Green tea consumption and mortality due to cardiovascular disease, cancer, and all causes in Japan.
  43. Sun Y, et al. (2023). Extra cup of tea intake associated with increased risk of Alzheimer’s disease: Genetic insights from Mendelian randomization.
  44. Navarro, V. J., et al. (2017). Liver injury from herbal and dietary supplements.
  45. Teramoto M, et al. (2021). Green tea and coffee consumption and all-cause mortality among persons with and without stroke or myocardial infarction.
  46. Jurgens, T. M., et al. (2012). Green tea for weight loss and weight maintenance in overweight or obese adults.
  47. Teramoto M, et al. (2023). Coffee and green tea consumption and cardiovascular disease mortality among people with and without hypertension.
  48. Zhou, Y., et al. (2016). Natural polyphenols for prevention and treatment of cancer.
  49. Unno K, et al. (2021). Green tea suppresses brain aging.
  50. Wang ZM, et al. (2023). Green tea consumption and the risk of stroke: A systematic review and meta-analysis of cohort studies.
  51. Vyas T, et al. (2021). Therapeutic effects of green tea as an antioxidant on oral health-A review.
  52. Koch, W., et al. (2019). Applications of tea (Camellia sinensis) and its active constituents in cosmetics.

Valuable Resources