Green Tea Extract
Decaffeinated Dietary Supplement 250 mg
| $13.49 | 100 Count Bottle VP1155R | Retails for $17.90 | |
| $60.95 | 5 Bottles 100 Count Each | Retail Value $89.50 | |
| $134.99 | 12 Bottles 100 Count Each | Retail Value $214.80 | |
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Assure Optimum Daily Green Tea Intake...
According to a number of recent studies by medical researchers, Green Tea is believed to have a variety of health-promoting properties.
It contains natural antioxidant compounds known as polyphenols useful in fighting tumors and also helping prevent and treat rheumatoid arthritis.
It contains a complete spectrum of beneficial botanical ingredients, balanced by nature.
This capsule is produced to the most exacting standards of potency, purity and efficacy.
Each capsule contains: Green Tea Leaf (Camellia Sinesis) decaffeinated extract (98% catechin and polyphenols) 250 mg*
* Daily Value Not Established
No Sugar, Salt, Starch, Preservatives or Artificial Colorings Added.
High Intake of Green Tea Lowers Diabetes Risk
High intake of Green Tea may inhibit risk of Type 2 diabetes, according to studies published in the Annals of Internal Medicine (144, 8:554-62, 2006) and The Journal of Pharmacy and Pharmacology (58, 5:599-604, 2006).
Over a five-year period, researchers from Osaka University and Osaka City University looked for a relationship between consumption of Green Tea on development of Type II diabetes in 17,413 individuals (6,727 men and 10,686 women; 40 to 65 years of age) from 25 communities across Japan, who had no history of the disease. There were 444 self-reported new cases of physician-diagnosed diabetes in 231 men and 213 women. Consumption of Green Tea was inversely associated with risk of Type II diabetes after adjustment for age, sex, body mass index, and other risk factors.
Further, total caffeine intake from Green Tea was associated with a 33-percent reduced risk of developing the disease. These inverse associations were even more pronounced in women and overweight men.
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New Study Reveals That Green Tea Can Help Reduce The Risks For Cardiovascular Disease
Increasing evidence for the beneficial effect of Green Tea on reducing risk factors for heart disease has emerged in a new study. The study found that the consumption of Green Tea rapidly improves the function of the Endothelial cells lining the circulatory system; Endothelial dysfunction is a key event in the progression of atherosclerosis.
The study, performed at the 1st Cardiology Department, Athens Medical School in Greece, was a randomised trial involving the diameter measurement (dilatation) of the brachial artery of healthy volunteers on three separate occasions - after taking Green Tea, caffeine, and hot water (for a placebo effect). The measurements were taken at 30, 90 and 120 minutes after consumption. Dilatation of the brachial artery as a result of increased blood flow (following a brief period of ischaemia of the upper limb) is related to endothelial function and is known to be an independent predictor of cardiovascular risk.
1. Results showed that Endothelium-dependent brachial artery dilatation increased significantly after drinking Green Tea, with a peak increase of 3.9 per cent 30 minutes after consumption. The effect of caffeine consumption (or hot water) was not significant. While black tea has been associated with improved short and long-term Endothelial performance, this is the first time that Green Tea has been shown to have a short-term beneficial effect on the large arteries.
Another study has already shown that Green Tea helps reverse Endothelial dysfunction in smokers. Green tea, which originates in China but is now consumed throughout the world, is made with pure leaves, and has undergone little oxidisation during processing. The cardiovascular benefits of all teas - as well as dark chocolate and red wine - are attributed to the flavonoids they contain and their antioxidant activity.
2. However, flavonoids in Green Tea are probably more potent antioxidants than in black tea because there has been no oxidisation. These findings have important clinical implications. Tea consumption has been associated with reduced cardiovascular morbidity and mortality in several studies. Green Tea is consumed less in the Western world than black tea, but it could be more beneficial because of the way it seems to improve Endothelial function. In this same context, recent studies have also shown potent anticarcinogenic effects of green tea, attributed to its antioxidant properties.
Notes 1. The study measured flow-mediated dilatation of the brachial artery, which is predominantly dependent on the release of nitric oxide from the endothelium and represents a well accepted estimate of endothelial function. Measurement of the brachial arteries was performed by high-resolution ultrasound. Notes 2. Flavonoids are naturally found in many plants and have been shown to have many different biological effects in humans. Their antioxidant effects have been found in red wine, red grapes and dark chocolate. Oxidative stress, which has been associated with many human diseases, can be reversed by antioxidant intake.
Journal reference: 1. Alexopoulos et al. The acute effect of green tea consumption on endothelial function in healthy individuals. European Journal of Cardiovascular Prevention & Rehabilitation, 2008.
Caffeine Reduces Pain During Exercise, Study Shows
A lot of people are drinking coffee, taking caffeine before a workout and they don't realize the actual benefit, they're experiencing less pain during the workout.
It's becoming increasingly common for athletes, before competing, to consume a variety of substances that include caffeine, motivated by the belief that it will help metabolize fat more efficiently.
Recearchers at the University Of Iceland have been investigating the relationship between caffeine and physical activity. The research work initially was focused on exploring possible links between caffeine intake, spinal reflexes and physical activity.
Earlier research determined caffeine works on the adenosine neuromodulatory system in the brain and spinal cord, and this system is heavily involved in nociception and pain processing. The theory developed that caffeine blocks adenosine from working, he speculated that it could reduce pain.
A number of studies support that conclusion, including investigations considering such variables as exercise intensity, dose of caffeine, anxiety sensitivity and gender.
The latest published study on the effects of caffeine on pain during exercise appears in the April edition of the International Journal of Sport Nutrition and Exercise Metabolism. The study examines the effects of caffeine on muscle pain during high-intensity exercise as a function of habitual caffeine use. Interestingly, caffeine consumed by individuals who rarely used it before and habitual users have the same amount of reduction in pain during exercise after consumption.
The study's 25 participants were fit, college-aged males divided into two distinct groups: subjects whose everyday caffeine consumption was extremely low to non-existent, and those with an average caffeine intake of about 400 milligrams a day, the equivalent of three to four cups of coffee.
After completing an initial exercise test in the lab on an ergometer, or stationary cycle, for determination of maximal oxygen consumption or aerobic power, subjects returned for two monitored high-intensity, 30-minute exercise sessions.
An hour prior to each session, cyclists who had been instructed not to consume caffeine during the prior 24-hour period were given a tablet. On one occasion, it contained a dose of caffeine measuring 5 milligrams per kilogram of body weight (equivalent to two to three cups of coffee); the other time, they received a placebo only.
During both exercise periods, subjects' perceptions of quadriceps muscle pain was recorded at regular intervals, along with data on oxygen consumption, heart rate and work rate.
If a person regularly consumes caffeine, they need more to have a bigger, mental-energy effect. But the tolerance effect is not ubiquitous across all stimuli. Even brain metabolism doesn't show this tolerance-type effect. That is, with individuals who are habitual users versus non-habitual users, if you give them caffeine and do brain imaging, the activation is identical.
In the future, further research might be able to determine caffeine's effect on sport performance. Although the current research has already shown that caffeine reduces pain reliably, consistently during cycling, across different intensities, across different people, different characteristics... The next logical question arises about whether the reduction in pain also translates into an improvement in sport performance. For now, the current research could prove encouraging for a range of people, including the average person who wants to become more physically active to realize the health benefits.
It's valuable as a practical application. If you go to the gym and you exercise and it hurts, you may be more likely to stop doing that because pain is an aversive stimulus that tells you to withdraw. Giving people caffeine and to reduce the amount of pain they're experiencing, would help them stick with the exercise. Maybe then they'll push a little harder as well and also better adapt to the exercise.
Center for Sport and Health Sciences, Iceland University of Education.
Green Tea Extract Shows Promise In Leukemia Trial
Mayo Clinic researchers are reporting positive results in early leukemia clinical trials using the chemical epigallocatechin gallate (EGCG), an active ingredient in green tea. The trial determined that patients with chronic lymphocytic leukemia (CLL) can tolerate the chemical fairly well when high doses are administered in capsule form and that lymphocyte count was reduced in one-third of participants and many of them saw regression to some degree of their chronic lymphocytic leukemia. The majority of individuals who entered the study with enlarged lymph nodes saw a 50 percent or greater decline in their lymph node size.
CLL is the most common subtype of leukemia in the United States. Currently it has no cure. Blood tests have enabled early diagnosis in many instances; however, statistics show that about half of patients with early stage diseases have an aggressive form of CLL that leads to early death. Researchers hope that EGCG can stabilize CLL for early stage patients or perhaps improve the effectiveness of treatment when combined with other therapies.
The research has moved to the second phase of clinical testing in a follow-up trial involving the same number of patients. All will receive the highest dose administered from the previous trial.
These clinical studies are the latest steps in a multiyear project that began with tests of the green tea extract on cancer cells in the laboratory of Mayo hematologists. After laboratory research showed dramatic effectiveness in killing leukemia cells, the findings were applied to studies on animal tissues and then on human cells in the lab.
The findings appear online May 26 in the Journal of Clinical Oncology. The study was sponsored by Mayo Clinic, the CLL Global Research Foundation, CLL Topics (including contributions by individual CLL patients) and the Commonwealth Foundation for Cancer Research.
Green Tea May Slow Prostate Cancer Progression
According to results of a study published in Cancer Prevention Research, a journal of the American Association for Cancer Research, men with prostate cancer who consumed the active compounds in green tea demonstrated a significant reduction in serum markers predictive of prostate cancer progression.
Green tea is the second most popular drink in the world, and some epidemiological studies have shown health benefits with green tea, including a reduced incidence of prostate cancer; However, some human trials have found contradictory results. The few trials conducted to date have evaluated the clinical efficacy of green tea consumption and few studies have evaluated the change in biomarkers, which might predict disease progression.
Researchers at Feist-Weiller Cancer Center, LSU Health Sciences Center-Shreveport, conducted this clinical trial to determine the effects of short-term supplementation with green tea's active compounds on serum biomarkers in patients with prostate cancer. The biomarkers include hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF) and prostate specific antigen (PSA). HGF and VEGF are good prognostic indicators of metastatic disease.
The study included 26 men, aged 41 to 72 years, diagnosed with prostate cancer and scheduled for radical prostatectomy. Patients consumed four capsules of a high-concentrate Green Tea supplement until the day before surgery; four capsules are equivalent to about 12 cups of normally brewed concentrated green tea, according to the researchers. The time of study for 25 of the 26 patients ranged from 12 days to 73 days, with a median time of 34.5 days.
Findings showed a significant reduction in serum levels of HGF, VEGF and PSA after treatment, with some patients demonstrating reductions in levels of greater than 30 percent, according to the researchers.
Results of a recent year-long clinical trial conduced by researchers in Italy demonstrated that consumption of green tea polyphenols reduced the risk of developing prostate cancer in men with high-grade prostate intraepithelial neoplasia (HGPIN).
These studies are just the beginning and a lot of work remains to be done, however, the use of tea polyphenols alone or in combination with other compounds currently used for cancer therapy should be explored as an approach to prevent cancer progression and recurrence. Other scientists believe the reduced serum biomarkers of prostate cancer may be attributable to some sort of benefit relating to green tea components.
In collaboration with Columbia University in New York City, the researchers are currently conducting a comparable trial among patients with breast cancer. They also plan to conduct further studies to identify the factors that could explain why some patients responded more dramatically to Polyphenon E than others. Additional controlled clinical trials are being planned to see if combinations of different plant polyphenols were more effective than Polyphenon E alone.
According the leading researchers, there is reasonably good evidence that many cancers are preventable, and our studies using plant-derived substances support the idea that plant compounds found in a healthy diet can play a role in preventing cancer development and progression.
