green tea and weight loss - 8 lbs per year, not 89


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green tea and weight loss - 8 lbs per year, not 89

Postby Sue » Aug 16th, '05, 13:01

The info on this page http://www.adagio.com/info/health_benefits/news_4.html says:

Compared to the placebo and caffeine, green tea extract consumption produced a significant 4% increase in 24-hour energy expenditure. If you consume 2,000 calories per day and don't gain or lose weight (you're in energy balance), an increase of 4% would translate roughly into an 80-calorie daily difference. Over a year, this could result in 89 pounds of weight loss.


Though I'd much rather sit back and sip tea that even think about math, lol, there seems to be an error here.

First of all, you must burn 3500 calories more than you consume to lose one pound of fat. 80 calories per day x 365 days per year = 29,200 calories. This does not equal 89 pounds of weight loss. It would actually be 8.34 pounds per year.

Another way to look at it is 80 calories per day x 30 days per month = 2400 calories, which is less than one pound burned.

It would be nice to be able to burn 89 pounds a year just by drinking green tea, but it's just not possible :)

Also, the study was based on significant amounts of green tea extract. The product was taken 3 times daily (with each meal), with each dosage containing 50mg caffeine and 90mg EECG, for a daily total of 150mg caffeine and 270mg EECG.

It might be more difficult to get that dosage from green tea alone. According to http://www.adagio.com/info/caffeine.html green tea only has 20mg caffeine per cup. According to the University of Maryland Medical Center, http://www.umm.edu/altmed/ConsHerbs/GreenTeach.html it would take 3 cups of green tea to get 240 to 300 mg of EECG. Maybe add a cup of coffee or a diet cola in there somewhere, lol.

If I'm wrong, please let me know. Math isn't exactly my sport of choice :lol:
Sue
 

Postby chris » Aug 16th, '05, 13:14

Sue--

You're absolutely right.

Actually, we've already discussed this several times on TeaChat. Now we're just waiting for Ilya to stop taking the free herbal samplers out of people's orders and make the change on the site!

Best,

Chris
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Corrected

Postby ilya » Aug 16th, '05, 18:47

Since the article in question came out in 1999, my defense is that i've been too busy making sure everyone's order gets processed correctly to make the necessary correction.

I have, however, taken time out of my schedule and fixed it. Next time anyone reading this has anything missing from their package, you'll know why. :wink:

-Ilya
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Postby Sue » Aug 19th, '05, 09:28

Thanks so much, I appreciate it! I guess I'm just particular about it because I run a weight loss website and we are frequently asked about green tea and weight loss. Your page on green tea gets googled a lot and prompts a lot of questions :)

I love your tea, btw, this is the only place I order from. Thanks for a great product and great service :)
Sue
 


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