Green tea has been shown to fight obesity making it the most used weight loss tea. A Dutch study, showed that participants who drank caffeinated green tea lost more weight, but even those who typically drank the decaf variety saw a decrease in their waistlines and body weight. Researchers speculated that the caffeine helps with fat oxidation. In the Japanese study, 240 men and women were given varying amounts of green tea extract for three months. Those who got the highest amount lost the most fat and weight. Oolong teas are commonly used weight loss tea because they have been shown to help boost your metabolism. Oolong tea also has many polymerized polyphenols, which have been proven to activate enzymes that cause fat-burning effects. 

3 Ballerina Extra Strength Weight Loss Tea – 54 Tea Bags

This green tea is one of the best selling weight loss teas. It includes a mix of natural herbs formulated from ancient Chinese books of medicine that have been followed for many years for their natural healing recipes. This tea is all natural with no preservatives and no caffeine.

Foojoy Wuyi Oolong Weight Loss Tea 100 Tea Bags

Foojay Wuyi Oolong tea comes from the Wuyi mountains in Fujian, China. Oolong teas are a great weight loss tea because they help boost your metabolism and help you burn fat naturally.

Teavana Weight To Go Weight Loss Tea

Teavana Weight To Go is a delicious mix of oolong and pu-erh teas with mint, strawberries, and apples. While oolong helps boost your metabolism the pu-erh aids the body in digesting fats and saturated oils. This great tasting weight loss tea is a loose leave tea and comes in 2oz, 4oz, 8oz and 16oz bags.