In another study, scientists compared the effects of a placebo, caffeine, and a combination of green tea extract and caffeine on burning fat.

In simple terms, thermogenesis is a process in which your body burns calories to produce heat ( 14, 15, 16).įor instance, an analysis of six studies found that taking a combination of green tea extract and caffeine helped people burn 16% more fat than a placebo ( 17). In addition, these two compounds complement each other and can help you burn fat through a process called thermogenesis. Green tea extract is also rich in caffeine and the polyphenol epigallocatechin gallate (EGCG), both of which are compounds that can help you burn fat ( 12, 13). It provides all the benefits of green tea in a convenient powder or capsule form. Green tea extract is simply a concentrated form of green tea. You can get caffeine from natural sources like coffee and green tea. SummaryĬaffeine can help you burn fat by boosting your metabolism and helping you burn more fat as fuel. This is why it is important to stay within the daily recommend caffeine limit, which is 400 mg. It’s important to note that caffeine can interfere with quality sleep, which has negative effects on weight management.Ĭonsuming too much caffeine can actually be dangerous for your health. That said, these health benefits are only temporary. Simply try drinking a few cups of strong coffee, which is an excellent source of caffeine with many health benefits. To reap the benefits of caffeine, you don’t need to take a supplement. Unfortunately, consuming caffeine too often could make your body more tolerant to its effects ( 11).

However, this effect appears to be stronger in people with less weight compared with people who may be overweight or have obesity ( 8, 9, 10).

In addition, several studies have shown that caffeine can help your body burn more fat as fuel. Research shows that caffeine can temporarily boost your metabolism by up to 16% over 1 to 2 hours ( 5, 6, 7). It’s also a popular ingredient in commercial fat-burning supplements - and for good reason.Ĭaffeine can help boost your metabolism and help your body burn more fat ( 4, 5, 6). Caffeine is a substance commonly found in coffee, green tea, and cocoa beans.

Burn belly fat