The results seem clear, green tea helps lower levels of "bad" cholesterol. Researches analyzed 14 papers published over the prior 3 decades and concluded that these cholestorel lowering effects were found in all the studies.
LDL's can build up in arteries and form the hard plaque that cause heart and other cardiovascular diseases. Cholesterol is the most common casues of these plaques. Reducing your LDL's by 1% can lower heart attack risk by 3%.
The study, published in the American Journal of Clinical Nutrition, 2011, is titled: Green Tea Intake Lowers Fasting Serum Total and LDL Cholesterol in Adults: A Meta-Analysis of 14 Randomized Control Trials.
According to researchers green tea’s ability to significantly reduce lipids appears to be independent of health status and whether the tea is taken as a liquid or as a supplement.
Green teas, which are not oxidized, contain antioxidants, vitamins, minerals and flavonoid-like polyphenol compounds including catechins derived from the tea plant.
Researchers identified 1,136 adults in 14 studies of three weeks to three months in length, eliminating influences including dose, the year the research was done and participant’s health.
Tea uniformly reduced total cholesterol but was found to have no effect on HDL (so-called good cholesterol). Studies have shown that individuals who consume two cups of green tea per day have lower plasma total cholesterol levels. Their risk of death from cardiovascular disease is reduced by 22 to 33 percent.