Effective Dosage: If you are taking green tea extract, 300 to 400 mg per day of standardized green tea extract is the recommended dosage.
Green tea extract is a common ingredient in many fat burners because it increases thermogenesis and the metabolism of fat. Black tea, oolong tea, and Green Tea come from the same Camellia sinensis plant. But unlike the other two varieties, green tea leaves are not fermented before steaming and drying. The more the leaves are fermented, the lower the polyphenol content, and the higher the caffeine content. Green tea has the highest polyphenol content while black tea has roughly two to three times the caffeine content of green tea.
Green tea contains low-molecular-weight polyphenols consisting mainly of flavanol (flavan-3-ol) monomers, which are referred to as catechins. main catechins in green tea are epicatechin, epicatechin-3-gallate, epigallocatechin, and epigallocatechin-3-gallate (EGCG) Green tea polyphenols is a class of bioflavanoids, with high antioxidant properties.
In animal studies, Green tea has been shown to speed metabolism and enhance weight loss. The green tea catechins have been found to promote thermogenesis. Green tea extract may increase energy levels and promote fat oxidation, and consequently, may be a useful tool in weight control. Green tea polyphenols may inhibit digestive lipases, resulting in decreased lipolysis of triglycerides, which may translate to reduced fat digestion in humans.
Most green tea products are sold as dried leaf tea. The best way to get the catechins and other flavonoids in tea is to drink it freshly brewed. Decaffeinated, bottled ready-to-drink tea preparations, and instant teas have less of these compounds. Popular Chinese green tea varieties include Longjing (Dragonwell), Mao Jian, Bi Luo Chun, Gunpowder, and Mao Feng. The recommended consumption is 3 to 4 cups of tea a day. The average cup of green tea contains about 50 to 150 mg polyphenols. To brew green tea, 1 teaspoon (5 grams) of green tea leaves are combined with 1 cup (250 ml) of boiling water, allow tea to steep for three to five minutes to bring out its catechins.
A standardized weight loss herbal extract of pure green tea is needed in order to maximize the weight loss benefits of green tea. The diet pill market offers several green tea weight loss products that do not use standardized extract. These non-standardized green tea weight loss products are cheaper but do not contain enough active green tea substances to have any significant weight loss benefits.
Green tea is generally considered a safe, non-toxic beverage and consumption is usually without side effects. Green tea contains caffeine and large amounts may cause restlessness, nasuea, vomiting, diarrhea or constipation, heart palpitations and headache. Intake of large quantities can lead to constipation or diarrhea. Adding milk to the tea will usually eliminate these side effects by reducing the potency of the tannins. People with heart problems, kidney disorders, stomach ulcers, and psychological disorders (particularly anxiety) should not take green tea. Lactating women should also limit caffeine intake to avoid sleep disorders in infants. Individuals with iron-deficiency anemia who take iron supplements should not drink green tea several hours before and after taking supplements. Green tea also interacts with Doxorubicin and alkaline medications. Precaution is necessary in patients who are taking anticoagulants. Caffeine free Green tea extract is commonly available.
These statements about green tea extract have not been evaluated by the Food and Drug Administration. Green tea extract is not intended to diagnose, treat, cure, or prevent any disease.
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