improves insulin sensitivity and may help protect against diabetes, as well as against rapid rises and subsequent crashes in blood sugar levels that lead to fatigue, irritability, and food cravings. A study in Annals of Internal Medicine found consumption of green tea (as well as black tea and coffee), was associated with a reduced risk of type 2 diabetes.
Along with caffeine, which gives green tea its characteristic taste, bitterness, and stimulating effect, green tea is also rich in a group of chemicals, called catechin polyphenols (commonly known as tannins, which contribute to bitter taste and astringency). These catechin polyphenols include catechin, epicatechin, epicatechin gallate (ECG), epigallocatechin gallate (EGCG), and various proanthocyanidins. They are also known as flavonoids and are very powerful antioxidants. Flavonoids, together with some amino acids like thiamine, are responsible for the potent flavor of green tea.
African red tea, more commonly called rooibos tea, comes from the South African red bush and is naturally caffeine-free. It can be in the form of either green or red rooibos tea -- but red tea, the fermented variety, is more common. Rooibos is naturally low in calories and is naturally sweet-tasting, making it an ideal replacement for a less healthy, high-sugar drink. Rooibos also has a number of health benefits, including helping you meet your weight-loss goals. 

Flavan-3-ols, the type of flavonoids found in green tea and other teas, provide many of the anti-aging effects of green tea. Catechins in various types of teas are the polyphenols that seem to have the most potent antioxidant effects, according to Natural Standard, the leading and most respected reviewer of herbal compounds. Specific flavan-3-ols found in green tea include monomers (catechins) called:
According to a report published in the Journal of the American College of Nutrition, “Tea is the most consumed drink in the world after water.” (2) What is green tea good for? According to dozens of studies, regularly drinking green tea may reduce your risk of developing heart disease or Alzheimer’s, help you maintain better bone mineral density, ward off eye diseases that affect vision in older age, prevent strokes, and even extend your life.
Neither red nor black tea is to be confused with Rooibos, often called “Red Bush Tea” or “Rea Tea” for short. Rooibos (Aspalathus linearis) is a South African plant that is a member of the legume family and is not related to the tea plant (Camellia sinensis). Rooibos has a very different taste and feel than red (or black!) tea, it is much sweeter and lighter than black tea, although it is often mixed with sugar and cream or a lemon as you might find heavy black tea drinking countries such as England or the United States.

Green tea leaves are initially processed by soaking in an alcohol solution, which may be further concentrated to various levels; byproducts of the process are also packaged and used. Extracts may be sold in liquid, powder, capsule, or tablet form.[4] Decaffeinated versions are also available.[9] Green tea extract supplements are accessible over the counter in various forms.[10]

What are the health benefits of black tea? Black tea is a popular drink worldwide. Polyphenols and other ingredients may make tea drinking not only a pleasant social ritual, but good for health, too. It may help beat stress, boost thinking, decrease cancer risk, and reduce arthritis. However, too much can cause heart arrhythmias. Find out more. Read now
Matcha tea rich in EGCG  helps fight various bacterial, viral, and fungal infections. According to a research study,  EGCG binds to the lipid membrane and exerts inhibitory action against the growth of various human pathogens. These include influenza A virus, hepatitis B, and C virus, herpes virus, adenovirus Staphylococcus aureus bacteria, and Candida albicans yeast.
Slimming tea: Does it work and is it bad for you? Slimming teas have become increasingly popular in recent years. They aim to suppress the appetite, reduce fat, or boost the metabolism. However, while weight loss may result, this is largely due to fluid loss. The use of these teas remains controversial, and people are encouraged to use other methods of weight loss. Read now

Sometimes given to babies suffering from colic, rooibos is known for anti-spasmodic activity. A growing body of evidence suggests that the health benefits of rooibos may be quite broad, including evidence that the antioxidants in the tea may reduce the risk of heart disease, and may inhibit some parameters of aging. Rooibos even shows use as a cosmetic ingredient for soothing, protecting and repairing skin.


Grown under shade for three weeks prior to plucking, gyokuro is one of the most exclusive varieties of tea produced in Japan.[60] The shading technique imparts a sweeter flavor, and produces a particularly rich color thanks to the higher amounts of chlorophyll in the shaded leaf. Gyokuro tea is associated with the Uji region, the first tea-growing region in Japan. It is often made using smaller-leaf cultivars of the tea plant.[61]
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