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What Tea Gives You Energy & Helps You Lose Weight?

By Lisa M. Wolfe ; Updated July 18, 2017

Green tea has been associated with increasing energy and aiding in weight loss. Green tea comes from the dried leaves of the tea plant. It contains polyphenols, which are known for their antioxidant and antibacterial properties and may also promote using fat as a fuel source, which helps to lower body weight.

Increased Energy

Green tea's energy-improving properties were reported on by the American Physiological Society (APS). APS discussed research by the Biological Sciences Laboratories of the Kao Corporation in Tochigi Japan. The Kao Corporation makes green tea beverages. The company's study determined that green tea extract enhanced the endurance swimming performance of mice by 24 percent over a 10-week time period. The Kao Company estimates that for a 165 pound person to receive correlating benefits, he would have to consume four cups (0.8 liter) of green tea daily. Also interesting in this study, was the fact that one dose of green tea did not produce the same benefits. It appears that accumulation of the tea is a factor in receiving its benefits.

No Energy Increase

"The International Journal for Vitamin and Nutrition Research" did not report the same results as the Kao Corporation. The study was conducted at the Department of Biology in Zurich, Switzerland, in 2010. Researchers examined the effects of three weeks' consumption of green tea extract on the cycling performance of endurance athletes. The athletes showed no improvements in endurance or energy metabolism.

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Weight Loss

"The American Journal of Clinical Nutrition" examined 15 studies that measured body changes and green tea consumption. Research found that green tea with caffeine modestly reduces body mass index, body weight and waist circumference. Green tea without caffeine did not have the same affects.

Caffeine

Caffeine has its own energy boosting properties. It stimulates your central nervous system. Side effects of caffeine are dehydration, increased heart rate and elevated blood pressure. Speak with your doctor before adding caffeine or green tea to your diet for the purpose of weight loss.

Moderation

Your body operates at maximum health when you do things in moderation. A moderate level of activity along with a variety of foods will enhance your health. The addition of green tea to your diet may have energy-elevating properties and may also aid in weight loss, but you should consume green tea in moderation.

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