Monday, December 31, 2012

What Causes Green Tea Side Effects?

By Anna Burns


Health television shows and journals have been promoting green tea extract as an effective supplement for weight reduction. Because of the expanding curiosity of tea, a lot of people are wondering the safety aspects of the supplement. A majority of the press promoting the benefits of tea are usually not discussing enough of the side effects. Thoroughly knowing the possible side effects is vital in order to take benefits with no undesirable results.

Similar to many supplements or prescription drugs, dosage has an important role with regards to negative effects. If taken without care, even the most healthy supplement may cause unanticipated effects. Similar reasoning can be applied here. Just what exactly is the proper amount of tea?

A couple of active elements of tea are catechin and caffeine. These two help with utilizing fat as the source to make energy which is called thermogenesis. This procedure in return increases metabolism. Enhanced metabolic process burns fat more rapidly in the body system.

There has been a lot of analysis on caffeine and how it influences human body. A lot of health specialists are claiming usually beyond 500mg of caffeine per day is too much. It can be unsafe resulting in unwanted effects such as insomnia, nervousness, restlessness, irritability, stomach upset, fast heartbeat and muscle tremors. Experts also acknowledge that level of responsiveness to caffeine varies by an individual, but 300mg or less is considered a healthy dosage.

Within a cup of tea, there are around 20mg of caffeine. Compare to other caffeine containing drinks, it is not much. Within a cup of coffee there are around 100mg of caffeine. If tea is the only caffeinated beverage taken then it should not be an issue. However if additional caffeinated beverages are consumed throughout the day, then it is critical to look at the overall daily amount of caffeine.

There have also been a few tests regarding the amount of tea. A daily dose of 800mg of EGCG was successfully tested without uncomfortable side effects. A cup of green tea contains approximately 100mg of EGCG, which is 8 cups of green tea. Numerous lab tests claim more EGCG equals to greater fat loss, however some health specialists warn that too much of isolated ingredient from herbal plants can be problematic. It is challenging to come to a definite conclusion based on clinical research, but many health experts are stating 300mg of EGCG is a safe amount to take daily. There have been successful lab experiments while using the dose of 300mg fighting cancer cells and weight loss.

Because of the increasing curiosity about green tea, additional laboratory tests are going to be done. In the meantime, 300mg appears to be a good dosage for both caffeine and EGCG.




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