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Enviga was a Nestea carbonated canned green-tea drink. Enviga is a trademark of Nestlé licensed to Beverage Partners Worldwide, a joint-venture between Coca-Cola Company and Nestlé. It is available in three flavors: Green tea, Tropical Pomegranate and Mixed Berry. According to Coca-Cola, Enviga burns 60 to 100 calories per three 12-oz.(330 ml) cans due to its high EGCG and caffeine content. This is disputed by some researchers and public advocates.

Nutritional facts

A can of Enviga has 5 calories, 100 mg of caffeine, 35 mg of sodium, and 20% of the daily recommended calcium based on a 2,000 calorie diet. It is sweetened with aspartame and has no carbohydrates, fat, or protein.

Lawsuits over health claims

In February 2007, the watchdog group Center for Science in the Public Interest (CSPI) filed a lawsuit over company claims that Enviga acts as a calorie-burning and weight-loss product, as a "negative calorie" drink. The group claims that if Coca-Cola and Nestlé stop marketing the product as a calorie-burner, they would drop possible litigation. The beverage makers responded that they have deliberately avoided claims that Enviga is a weight-loss product, and that there exists independent research to substantiate the effects of the product. The watchdog group alleged that it was only a 3 day study, and that it was only presented in a conference by the Obesity Society, the editors of journal Obesity, where their conclusions were rejected. Studies on the combination of caffeine and green tea anti-oxidant have given mixed results, and the results are far from conclusive.

The State of Connecticut is investigating the calorie-burning qualities of the drink. The State Attorney General Richard Blumenthal has demanded all scientific research associated with its calorie-burning qualities.

Criticism of health claims

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Upon inspection by a Ph.D. in biochemistry, the study conducted in Switzerland used to support the claims made by Nestle and the Coca Cola Corporation has proven to be a dramatically overrepresented. The double blind placebo-controlled study investigated 31 people consuming Enviga over a period of 3 days. The study claimed that the high caffeine (and caffeine like substance) content in Enviga sped up the metabolism and caused the participants to burn more calories from fat rather than carbohydrates, up to 60-100 extra calories per day. However, it has been extensively researched and proven that pure caffeine as a supplement will have the same effect over that time period, thus rendering the content of Enviga (aside from the caffeine) to be mostly irrelevant to the "negative calorie" claim. Furthermore, research has shown that caffeine sensitivity drops exponentially over time. Like with all stimulatory drugs and agents, the same dose of caffeine is no longer equally effective over time, requiring higher and higher doses in order to provide the same effect. The 100 calories burned per day will drop to 0 in a period of a few weeks, unless dramatically more caffeine is utilized. The net conclusion of these observations is that the extrapolation from a 3 day time period onto a permanent 60-100 calorie weight loss per day is completely unjustified.

Sales

As reported in the Sydney Morning Herald, flavoured bottled water, sports drinks and teas, are increasing sales with the decline in sales of sugary soft drinks - with cold tea the fastest growing non-carbonated beverage category in the U.S. during the first half of 2006. Prior to launch, Coke had been trailing and losing market share in this sector to Pepsi, AriZona and Snapple.

Flavors

Current flavors:

• Green Tea
• Berry
• Pomegranate

Discontinued flavors:

• Peach

Since the brand's inception, and the launch of the three original flavors, peach has been dropped in favor of pomegranate as the third flavor.

See also

• List of energy drinks

References

1. Coca Cola Company Press Release: http://www2.coca-cola.com/presscenter/pdfs/enviga.pdf
2. BBC News audio interview: http://news.bbc.co.uk/nolavconsole/ukfs_news/hi/newsid_6040000/newsid_6043700/bb_rm_6043792.stm
3. Burt Helm (January 31, 2007), Coke and Nestle Hit with a Lawsuit for 'Negative Calories'
4. "'Calorie Burning' Enviga Tea Drink a Fraud, Group Says. CSPI to Sue Coke, Nestlé if Weight Loss Claims Persist", CSPI, December 4, 2006
5. "Watchdog Group Sues Coke, Nestlé For Bogus "Enviga" Claims. Green Tea-Flavored Diet Soda Won't Help You Lose Weight, Despite Claims of "Negative Calories"", CSPI, February 1, 2007
6. "Does new Enviga tea drink really deliver "negative calories in a can"?(Product Watch)", Environmental Nutrition newsletter, March 1, 2007
7. FOXNews.com - Coca-Cola Energy Drink Investigated by Connecticut AG - Health News | Current Health News | Medical News
8. Connecticut Probing Diet Drink Claims, Attorney General Says Enviga's Boast Must Be Supported By "Science, Not Magic" - CBS News
9. Coke serves green tea to a world with calories to burn - Business - Business

External links

• Enviga Green Tea website
• "Enviga-rate Your Weight Loss Reality" - opinion piece
• More details on Enviga's own study

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