Cancer Home > Green Tea

Made from unfermented tea leaves, green tea is believed to provide numerous health benefits, including lowering cholesterol and promoting weight loss. The tea contains several different polyphenols that may have antioxidant, anti-inflammatory, and anticancer properties. It also contains caffeine, which could increase alertness but may also cause side effects. Although green tea is most commonly used in beverages, it is also a popular ingredient in dietary supplements.

What Is Green Tea?

Green tea is made from unfermented tea leaves. While most commonly used in beverages, the tea has become a popular ingredient in dietary supplements. It is claimed to provide a wide variety of health benefits, including weight loss and lower cholesterol.
(Click Benefits of Green Tea for more information on what it is used for.)

How Does Green Tea Work?

There are numerous known active components in green tea. It contains several different polyphenols. Polyphenols may have antioxidant, anti-inflammatory, and anticancer properties. The tea also contains caffeine, which is why it may increase alertness (but may also cause some side effects).

Is It Effective?

It is clearly not the "cure-all" that it is often claimed to be. However, it may be effective for a number of different uses (see Does Green Tea Work? for more information).

Dosing Information

It is difficult to recommend a universal dosage, since there are so many different forms of green tea products that may contain differing amounts of the active components. Also, clear dosing recommendations for green tea have not yet been established.
(Click Green Tea Dosage for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
Other Articles in This eMedTV Presentation




Related Channels

eMedTV Links
Copyright © 2006-2020 Clinaero, Inc.

eMedTV serves only as an informational resource. This site does not dispense medical advice or advice of any kind. Site users seeking medical advice about their specific situation should consult with their own physician. Click Terms of Use for more information.

This site complies with the HONcode standard for trustworthy health information:
verify here.