On test days, they were fed either the control meal or the same entrées but altered so that calorie density was reduced by 20% using one of the three strategies. Entrée portion sizes were large enough so that the subjects could consume as much as they desired of the test meals. Leftovers were weighed to determine precisely how much was eaten of each of the test meals.
Green tea can help you lose weight. Several studies have suggested that the flavonoids and caffeine in green tea can help elevate metabolic rate, increase fat oxidation and even improve insulin activity. One study showed that those who consumed green tea and caffeine lost an average of 2.9 pounds during a 12-week period, while sticking to their regular diet. Another study suggested the increase in calorie output was equal to about 100 calories over a 24-hour period.

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