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Power Output

Your power output is the strength you can generate in the shortest amount of time. It is associated with type-II (i.e., fast-twitch) muscle fibers and the phosphagen system (which uses your creatine stores to regenerate ATP, the energy currency of your cells).

Our evidence-based analysis on power output features 36 unique references to scientific papers.

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Power Output.

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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-a Strong Very High See all 66 studies
Creatine is the reference compound for power improvement, with numbers from one meta-analysis to assess potency being "Able to increase a 12% improvement in strength to 20% and able to increase a 12% increase in power to 26% following a training regiment using creatine monohydrate".
grade-a - Moderate See all 12 studies
Limited evidence supports the increase in power output, which may be due to chance; more often than not, there is no significant influence
grade-a - Moderate See all 28 studies
Although technically an increase in average power output may occur during exercise associated with the 'burn' (metabolic acidosis) to the degree of 1-2%, saying this is an inherent or reliable increase in power would be misleading; it is an attenuation of the decrease in power that acidosis is able to induce

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Frequently Asked Questions and Articles on Power Output

Are energy drinks bad for you?
Case studies have linked energy drinks to adverse effects, especially on the cardiovascular system, but the overall risk of something bad happening is low and context-dependent.
Click here to see all 36 references.