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Iced Tea Diet

author image Milo Dakota
Since 2005, Milo Dakota has ghostwritten articles and book manuscripts for doctors, lawyers, psychologists, nutritionists, diet experts, fitness instructors, acupuncturists, chiropractors and others in the medical and health profession. Her work for others has appeared in the "Journal of the American Medical Society" and earned accolades in "The New York Times." She holds a Master of Art in journalism from the University of Michigan.
Iced Tea Diet
A glass and pitcher of iced tea with lemon on a table. Photo Credit: Rothphoto_Online/iStock/Getty Images

Iced tea can be a diet beverage, providing zero calories and a wealth of fat-burning antioxidants. You can also enjoy iced tea with the sweet taste of sugar without the calories – 16 per tsp. – if you drink diet iced tea. But bottled varieties lack many of the weight loss and other health benefits of home-brewed iced tea.

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Four Teas From a Single Plant

If you order iced tea in a restaurant, you will probably be served black tea, the most common of the natural teas. But you can brew and ice any of the other three teas derived from the Camellia senensis plant — green, oolong and white teas — and enjoy the metabolism-boosting benefits of true tea. Beverages from herbs such as ginger, senna and rooibos are popular weight-loss drinks, but do not contain the health properties of natural teas.

Iced Tea and Caffeine

Iced tea provides caffeine, a well-known stimulant and appetite suppressant. Black tea contains the most and white tea least amount of caffeine. You’ll get 40 mg to 120 mg in 8 oz. of iced black tea, compared to 95 mg to 200 mg of caffeine in a cup of coffee. Pregnant women should limit their daily caffeine intake to no more than 100 mg of caffeine to avoid the risk of adversely affecting their babies’ birth weights, according to the “British Medical Journal.” If you can tolerate small amounts of caffeine, green tea contains 26 mg per cup. Or, you could drink decaffeinated tea, which contains 2 mg to 10 mg per cup.

Iced Tea and Weight Loss

At least 15 scientific studies have linked tea antioxidants to weight loss, according to the “Los Angeles Times.” You need to consume 300 mg or more daily of tea antioxidants in order to shed pounds. The antioxidants, which may be listed on product labels as catechins, EGCG, epigallocatechin gallate, or flavonoids, activate fat-burning enzymes in your body. You would need to drink three glasses of freshly brewed green iced tea or 10 glasses of strong black tea to attain 300 mg of catechins.

Iced Tea Antioxidants

Tea antioxidants are easily destroyed by oxidation before picking and processing afterward. Green tea contains 3.5 times as many catechins as black tea because it spends less time on the vine. If you brew tea yourself from loose leaves, you will retain most of the remaining catechins. Tea bags, flavored teas, decaffeinated teas and bottled teas contain fewer antioxidants. You would need to drink 20 cups of decaffeinated black iced tea or 25 cups of bottled diet green iced tea to attain 300 mg of catechins, the amount needed for weight loss.

Health Benefits

The antioxidants in iced tea provide additional health benefits that make the beverage a wise addition to your diet. Drinking five cups of iced green tea may also help you live longer, according to “The Globe and Mail.” A study published in the “Journal of the American Medical Society” in September 2006 found that green tea consumption reduced deaths from heart attacks and strokes by 30 percent. The study, led by Japanese researcher Shinichi Kuriyami, followed the health of 40,000 people for 11 years. Including iced tea in your diet may also help to lower your cholesterol and blood sugar and protect you against some forms of cancer, according to the “Daily Mail.”

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