Posted by : Moraliss Friday, January 11, 2013

Green Tea have a side effects?

TV shows and health periodicals have been advertising green tea extract as an excellent supplement for fat loss. With the raising interest of tea, a lot of people are questioning the safeness of the supplement. A lot of the media supporting the benefits of tea are usually not identifying enough of the unwanted effects. Fully knowing the possible side effects is crucial in order to take health benefits with no harmful outcomes.

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?

The most active substances of tea are catechin and caffeine. Both assist with making use of fat as the supply to make energy which is called thermogenesis. This process in return raises metabolism. Accelerated metabolism burns fat quicker in the human body.

Various experiments on caffeine as well as its influence on human body have been conducted. Lots of health specialists are claiming in most cases above 500mg of caffeine in a day is too much. It can be harmful resulting in negative effects which include insomnia, nervousness, restlessness, irritability, stomach upset, fast heartbeat and muscle tremors. Health specialists also acknowledge that level of responsiveness to caffeine varies by an individual, but 300mg or less is regarded as a good amount.


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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