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Metabolic Rate

Metabolic Rate is a term used to refer to how many calories one 'uses' per day, and dietary intake per day is usually measured in accordance to Metabolic Rate. Some supplements may increase or decrease Metabolic Rate, and influence weight gain or loss.

Our evidence-based analysis on metabolic rate features 34 unique references to scientific papers.

Research analysis led by .
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Examine.com Team
Last Updated:

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Human Effect Matrix

Unlocked for Examine Plus members

The Human Effect Matrix looks at human studies to tell you what supplements affect Metabolic Rate.

Full details on all Metabolic Rate supplements are available to Examine Plus members.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-b Notable Very High See all 6 studies
Ephedrine, secondary to the stimulatory properties, appears to reliably increased metabolic rate
grade-b - Moderate See all 5 studies
Currently thought to be somewhat ineffective as the evidence supporting an increase are confounded with food intake whereas the evidence supporting no increase is more statistically robust.
grade-b - Very High See all 3 studies
No significant influences on metabolic rate overall

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Become an Examine Plus member to access the latest nutrition research on over 400 supplements across over 600 different health goals, outcomes, conditions, and more.

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Frequently Asked Questions and Articles on Metabolic Rate

Do you need to eat six times a day to keep your metabolism high?
Eating food six times a day, or very high meal frequency, does not seem to increase the overall metabolic rate more than simply eating three times a day. If such a meal frequency can help you feel better on a diet then it can be useful but it alone won't cause weight loss or prevent weight gain.
Click here to see all 34 references.