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Anyone can boost their metabolism by simply consistently increasing their physical activities, including standing and moving in any fashion. Metabolism is the sum of all the bodily processes necessary to run our bodies. The energy/fuel that these processes used is measured in calories. Everyone has complete control over total metabolism or the calories they burn per day. The more you move, the more bodily processes take place so the more calories you burn. Therefore, moving more is the only significant practical method to boost metabolism.

Other practices to potentially boost metabolism:

There are natural and synthetic compounds that can slightly increase resting metabolic rate (RMR). Caffeine is the most common compound used to increase RMR and has been shown to increase metabolism/energy expenditure (EE) ~3-5% in the first 2.5 hours after ingestion. Comparable increases in EE have been shown with Epigallocatechin gallate (EGCG) a compound found it green tea. Combining caffeine and EGCG together, as found in some weight loss supplements, may have a synergistic effect on 24 hour EE. Capsaicin from cayenne fruit may also increase RMR by stimulating the sympathetic nervous system (SNS) activity. To be fair, some of the documented daily increases in the total 24 Hour EE from any of these 3 substances may also come from their well known abilities to induce more daily movement, whether it be through fidgeting at rest, or simply from an increased desire to move more due to feeling more energetic. There are also a few weight loss drugs such as Phentermine and Sibutramine that can increase RMR but generally have more negative side effects than effective supplements.