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Studies on green tea’s impact on cancer have been mixed. But green tea is known to aid healthy cells in all stages of growth. There are some clues that green tea may help destroy cancer cells, but that research is still in its early stages, so you shouldn’t count on green tea to prevent cancer. In fact, the National Cancer Institute's web site says it "does not recommend for or against the use of tea to reduce the risk of any type of cancer."

The rich antioxidants present in matcha tea help in cancer prevention, improved mental alertness and clarity, detoxification, free radical scavenging activity, and stronger immune defense. Polyphenols and catechin-rich matcha promotes relaxation and contributes beneficially to prevention and treatment of various medical conditions. These include bacterial, fungal, and viral infections, cancer, and type-2 diabetes. Matcha tea also assists in maintaining cardiovascular health, gastrointestinal health, and works as a superb energy booster.
The best Matcha Green Tea comes from the first flush, baby green tea leaves that grow during the spring. Only the newest buds of the shade grown tea plants are hand-picked for Premium Matcha production. The window for ideal Matcha Green Tea growth is very limited, which is one of the reasons that Matcha is one of the more expensive teas on the market.
The available research on matcha includes a small pilot study published in the International Journal of Sports Nutrition and Exercise Metabolism in 2018. For the study, women consumed matcha green tea beverages before a 30-minute brisk walk. Researchers found that matcha consumption enhanced fat oxidation (the breakdown of fat into smaller molecules to be used for energy) during the walk.
Heat or boil water, but don’t let it completely boil and become too hot, as this can destroy some of the delicate compounds found in green tea leaves. The “ideal” temperature for brewing green tea is between 160 degrees Fahrenheit to 180 degrees F (traditionally standard Chinese green teas brew at a slightly higher temperatures). Pour hot water into the teapot to steep the leaves for only about 1–3 minutes. Larger leaves need more time to steep than finer, smaller leaves. At this point you can also add any fresh herbs you plan on steeping.
Like gyokuro, matcha is shaded before plucking. The plucked and processed leaf is called tencha. This product is then ground into a fine powder, which is matcha. Because the tea powder is very perishable, matcha is usually sold in small quantities. It is typically rather expensive.[62] Matcha is the type of tea used in the Japanese tea ceremony. It is prepared by whisking the tea with hot water in a bowl, until the surface is frothy. If the water is too hot, the tea may become overly bitter.[64]
Drinking green tea or taking green tea supplements decreases the blood concentration of total cholesterol (about 3–7 mg/dL), LDL cholesterol (about 2 mg/dL), and does not affect the concentration of HDL cholesterol or triglycerides.[23][22][26] A 2013 Cochrane meta-analysis of longer-term randomized controlled trials (>3 months duration) concluded that green tea consumption lowers total and LDL cholesterol concentrations in the blood.[23]
Red tea is also known as Black tea in Asia. White, green, oolong, and black teas all come from the same plant, the Camellia sinensis. The difference in their flavor lays on the drying processes of their leaves, which determine how oxidized the final product is. Red tea is made of completely oxidized tea leaves, resulting in a darker and aromatic tea drink.
Drinking green tea or taking green tea supplements decreases the blood concentration of total cholesterol (about 3–7 mg/dL), LDL cholesterol (about 2 mg/dL), and does not affect the concentration of HDL cholesterol or triglycerides.[23][22][26] A 2013 Cochrane meta-analysis of longer-term randomized controlled trials (>3 months duration) concluded that green tea consumption lowers total and LDL cholesterol concentrations in the blood.[23]
It isn’t difficult to live the high antioxidant lifestyle, taking in foods, herbs and teas that will protect your body in many ways, reduce the risk of various chronic and degenerative diseases and make you feel good. As Hippocrates remarked in his credo “Let thy food be thy medicine.” Drink Rooibos for taste or drink it for health. In either case, you’ll derive innumerable benefits.
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Several population-based clinical studies have shown that both green and black teas may help protect against cancer. Early clinical studies suggest that the polyphenols in tea, especially green tea, may play an important role in the prevention of cancer. Researchers also believe that polyphenols help kill cancerous cells and stop them from growing.

Japanese researchers published a study on green tea and its effect on the beta-amyloid protein plaques found in Alzheimer’s disease in the April 2008 issue of the Journal of Nutritional Biochemistry. The protein plaques associated with Alzheimer’s disease increase brain cell damage and death due to oxidative stress. The researchers found that green tea catechins reduced the level of damaging free radicals in the brains of rats. The green tea rodents showed much less plaque-induced deficits in memory compared to rodents that didn’t receive green tea and those that were infused with beta-amyloid proteins. (8)
Studies in laboratory animals have found that green tea polyphenols inhibit the growth of esophageal cancer cells (in line with its anti-cancer properties). Other clinical studies have found that green tea offers protection against the development of esophageal cancer, particularly among women. However, one large-scale population-based clinical study found just the opposite: drinking green tea was associated with an increased risk of esophageal cancer, and the stronger and hotter the tea, the greater the risk. It seems that if the water is very hot, it can damage the esophagus and lead to long-term adverse consequences. So just make sure the tea you drink isn’t extremely hot.
In 1772, Swedish naturalist Carl Thunberg noted, "the country people made tea" from a plant related to rooibos or redbush. Traditionally, the local people would climb the mountains and cut the fine, needle-like leaves from wild rooibos plants.[citation needed] They then rolled the bunches of leaves into hessian bags and brought them down the steep slopes using donkeys. The leaves were then chopped with axes and bruised with hammers, before being left to dry in the sun.
If not taken with sugar, the alkaline nature of green tea helps reduce the blood glucose level. Moreover, the antioxidant and astringent qualities of green tea ensure good health and better functioning of the pancreas. Improving the function of the pancreas means a more efficient and regulated secretion of insulin and the subsequent improvement in decomposing and absorbing of sugar. This increase in effective functions can help prevent the onset of diabetes.
The rich antioxidants present in matcha tea help in cancer prevention, improved mental alertness and clarity, detoxification, free radical scavenging activity, and stronger immune defense. Polyphenols and catechin-rich matcha promotes relaxation and contributes beneficially to prevention and treatment of various medical conditions. These include bacterial, fungal, and viral infections, cancer, and type-2 diabetes. Matcha tea also assists in maintaining cardiovascular health, gastrointestinal health, and works as a superb energy booster.
"It's only in the last 10 year that Western science has tried to look at antioxidant activities of tea," says Dave Ringer, PhD, scientific program director at the ACS. "It's a young science. Generally, it is felt that tea can inhibit the initiation of cancer and delay its progression in animal studies. But we don't really have large well-controlled epidemiological studies to look at this yet [in humans], because you need to correct for the effects of other dietary components."
African red tea's naturally sweet taste makes it easy to keep your added sugar intake low. According to the American Heart Association, most Americans consume too much added sugar in their diet, which can lead to weight gain and obesity. The association recommends consuming no more than 6 to 9 teaspoons of added sugar a day. Added sugar, and especially drinks high in added sugar such as sodas, have no nutritional benefits whatsoever, unlike rooibos, which has a number of associated health benefits.
Green Tea comes from Camellia sinensis leaves that are immediately steamed or pan-fired rather than being exposed to air so that no oxidation occurs.   This special handling makes for a more delicate brew that is typically lower in caffeine than black and Oolong teas.  Although amounts vary, green teas are highest in polyphenols known as EGCG, which is why so many make it part of their healthy lifestyle.

Every day, countless people throw away valuable antioxidants and minerals. While seemingly unimaginable, that’s exactly what happens when you brew a cup of green tea because water can only extract a fraction of green teas benefits. The majority actually remains unused, trapped in the tea leaves. In reality, the only way to truly take advantage of green teas full potential is to consume the entire leaf. But that doesn’t mean you need to start eating tea leaves. The simplest solution is to just enjoy a bowl of matcha. Because matcha is straight, stoneground tea leaves, matcha provides you with green teas powerful arsenal of vitamins, minerals, antioxidants, and amino acids in a way no other green tea can.


ODS seeks to strengthen knowledge and understanding of dietary supplements by evaluating scientific information, supporting research, sharing research results, and educating the public. Its resources include publications (such as Dietary Supplements: What You Need to Know), fact sheets on a variety of specific supplement ingredients and products (such as vitamin D and multivitamin/mineral supplements), and the PubMed Dietary Supplement Subset
There are mixed opinions about how much green tea one should consume. The reality is one cup of green tea isn’t enough to affect your health. Some believe 2 cups of green tea will show benefits while others say 5. Some people say up to 10 cups is ideal but if you’re concerned about spending a lot of time in the bathroom you can add a green tea supplement to your diet.
The reason that green tea has more health benefits attached to it than black tea is due to the processing. Black tea is processed in a way that allows for fermentation whereas green tea’s processing avoids the fermentation process. As a result, green tea retains maximum amount of antioxidants and poly-phenols the substances that give green tea its many benefits.
^ Jump up to: a b Onakpoya, I; Spencer, E; Heneghan, C; Thompson, M (August 2014). "The effect of green tea on blood pressure and lipid profile: a systematic review and meta-analysis of randomized clinical trials". Nutrition, Metabolism, and Cardiovascular Disease (Systematic Review & Meta-Analysis). 24 (8): 823–36. doi:10.1016/j.numecd.2014.01.016. PMID 24675010.
It depends not only on the processing method the tea producers use, but also on the cultivation practices the tea growers use. What time of year is the tea plucked? How is the plant pruned? What parts of the plant are plucked? Are the plants treated with chemicals or are they organically grown? What kind of heat is applied to the tea leaves to stop oxidation? How are the tea leaves shaped, rolled and dried? Are the leaves left whole or cut in smaller pieces?
Diabetics lose their sensitivity to insulin, which means insulin is less effective in signaling to cells to absorb sugar from the blood stream, resulting in both higher blood sugar and higher blood insulin levels. Because both sugar and insulin are damaging to the cardiovascular system, over time many adverse effects result. (The more sensitive you are to insulin, and in general the lower your normal blood sugar level, the better.)
Forsythia fruit is the dried seed pod of Forsythia suspensa, a lovely bright yellow flowering bush that is among the first spring blooms in many northern climates. Native to China, forsythia fruit is used in Traditional Chinese Medicine (TCM) for detoxifying. Because of its detoxifying qualities, forsythia fruit often finds its way into TCM formulas to support the kidneys and skin.

Experts emphasize that the primary thrust of scientific research has been on the pure tea products -- green, black, or oolong tea, derived from a plant called Camellia sinensis. All of the many other "herbal" or "medicinal" teas found in supermarkets and health food stores may be tasty, and may be good, bad, or indifferent for your health -- but they haven't been the focus of concentrated research, says John Weisburger, PhD, of the American Health Foundation.

Liver problems have been reported in a small number of people who took concentrated green tea extracts. Although the evidence that the green tea products caused the liver problems is not conclusive, experts suggest that concentrated green tea extracts be taken with food and that people discontinue use and consult a health care provider if they have a liver disorder or develop symptoms of liver trouble, such as abdominal pain, dark urine, or jaundice.


When I was conducting research into South Africa’s native herbs, I was served rooibos everywhere I went. Red in the cup, fragrant to the nose and pleasing to the palate, rooibos soon became a favorite. In every meeting, I looked forward to that red tea, which is one of the only native herbs of South Africa to achieve significant commercial status.  My wife and I keep it in the tea cupboard at home, and we often turn to rooibos when we want a cup of tea without caffeine.
Beautiful Fall day here in Dallas 😎Getting ready for a walk with the Ellie Girl and my @teamiblends of course. Love taking my tumbler on-the-go. My Alive tea keeps me energized (so I exercise instead of nap! 😉) This is actually Sean’s tumbler but the black is so sleek I stole it for the day… Use my code CGFREE to get a free black tumbler with your purchase of $49.99 when you order #iloveteami #thankyouteami
Over a thousand years ago, matcha came to Japan as an aid to meditation practice. During long hours of sitting, monks would drink matcha to remain alert yet calm. Modern science has recently confirmed the lessons of centuries of tradition. Matcha is rich in L-Theanine, a rare amino acid that actually promotes a state of relaxation and well-being by acting upon the brains functioning. While stress can induce beta waves an excited, more agitated state, L-Theanine creates alpha waves, which lead to a state of relaxed alertness. And while L-Theanine is common in all tea, matcha may contain up to five times more of this amino acid than common black and green teas.
Rooibos contains polyphenols that have anti-inflammatory, antiviral, and antimutagenic qualities. Polyphenols are organic chemicals that are often praised for their antioxidant capabilities. Studies suggest that regularly drinking organic red rooibos tea provides the liver with potent antioxidants, helping the organ to improve detoxification. Antioxidants act as scavengers of free radicals throughout the body, which are detrimental byproducts of cell metabolism that can cause cancer and heart diseases. Aspalathin and nothofagin are two other vital antioxidants that rooibos tea contains, making it a great beverage to boost your immune system and protect your body against all types of diseases.
Drinking detox teas can help you lose weight quickly. These teas are made by mixing the right amounts of herbs, flowers, roots, and stems with traditional teas like green tea, Pu Erh, etc. The phytonutrients in these teas flush out toxins and boost the health of the liver and the digestive system, thereby triggering weight loss. Also, detox tea drinkers sleep better, look younger, and have better immunity. This article lists the 10 best detox teas for weight loss with the ingredients, taste, cost, user review, and where to buy. So, how does a “teatox” work? Find out below.
Matcha, like other green teas, contains a class of antioxidants called catechins. Matcha is high in a catechin called EGCG (epigallocatechin gallate), which is believed to have cancer-fighting effects on the body. Studies have linked green tea to a variety of health benefits, like helping to prevent heart disease, type 2 diabetes and cancer, and even encouraging weight loss. However, it’s important to note that much of this research isn’t from clinical trials that show green tea causes a benefit. Instead, it’s largely from population-based studies, where researchers look at groups of people who drink green tea and compare their health outcomes to groups that don’t drink it. Studies have shown associations between tea and better health, but causation is not yet proven. Matcha is even less studied than brewed green tea.
What are your thoughts on this topic? Chat with us on Twitter by mentioning @goodhealth and @CynthiaSass. Cynthia Sass is a nutritionist and registered dietitian with master’s degrees in both nutrition science and public health. Frequently seen on national TV, she’s Health’s contributing nutrition editor, and privately counsels clients in New York, Los Angeles, and long distance. Cynthia is currently the sports nutrition consultant to the New York Rangers NHL team and the New York Yankees MLB team, and is board certified as a specialist in sports dietetics. Cynthia is a three time New York Times best selling author, and her brand new book is Slim Down Now: Shed Pounds and Inches with Real Food, Real Fast. Connect with her on Facebook, Twitter and Pinterest.
One thing to watch out for in detox teas, though, is a common ingredient—and herbal laxative—senna. “One part of detoxing is the cleansing of the intestines, and senna aids this process,” he explains. While it can be helpful as a night-time drink short-term, taking senna for too long can cause vomiting, diarrhea, electrolyte imbalance, and dehydration. If you feel stopped up, incorporate a senna tea for a few nights (Villacorta recommends Traditional Medicinals Organic Smooth Move). But stick to senna-free varieties for your habitual cup.
And not all the science has been favorable to tea. A report in the March 1 edition of The New England Journal of Medicine looking at green tea consumption in humans, found no effect on stomach cancers once adjustments were made for other factors that could affect risk. Those other factors included sex, age, history of stomach ulcer, use of tobacco or alcohol, and other dietary habits.

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.


^ Jump up to: a b Zhang C, Qin YY, Wei X, Yu FF, Zhou YH, He J (February 2015). "Tea consumption and risk of cardiovascular outcomes and total mortality: a systematic review and meta-analysis of prospective observational studies". Eur J Epidemiology (Systematic Review and Meta-Analysis). 30 (2): 103–13. doi:10.1007/s10654-014-9960-x. PMID 25354990.
Matcha leaves are grown on green tea bushes kept under shade. The shade increases the amount of chlorophyll content in the leaves, which is what makes them bright green and full of nutrients. The leaves are picked by hand and the stems and veins are removed. According to Cheadle, the leaves are traditionally ground by granite stones into a super fine powder. “It takes an hour to grind the leaves, and it’s done in the dark to protect the nutrients,” she says.

On this episode of Consumed, host and Eater Drinks editor Kat Odell looks into the matcha production process — how it differs from that of more traditional steeped green tea, and how two of New York's noted matcha purveyors (Ippodo Tea Company and Matchabar) are working with the product today. Watch the video above for a lesson in powdered green tea; if your interest is piqued, check this map for the best places to drink matcha across the country, and these recipes for making iced matcha drinks at home, perfect for the summer.
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