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Evidence guide

Performance aids need a specific question.

An aid may be studied for a particular sport, effort and population. That does not make it a useful daily habit for every athlete.

Separate the intervention from the promise

Ask what was actually tested, for how long and against which comparison. A laboratory performance change does not establish a race result, a recovery benefit or long-term safety. A proposed mechanism is weaker evidence than a relevant measured outcome.

Context matters

Consider the demands of your event, normal food intake, sleep, tolerance and any health concerns. Caffeine-containing products can overlap. Adding a second product is not a way to avoid reviewing total exposure or timing. JMM does not automatically add a caffeine dose to a hard workout.

Review before experimenting

Get appropriate professional advice before using a supplement as a performance aid, especially with medicines or an existing condition. Review contamination and anti-doping concerns separately. Do not begin an unfamiliar product simply because race day is near.

What the app can show

The catalogue can organize evidence and explicit preferences for review. It cannot establish that an ingredient is safe for you, diagnose a need or guarantee improved performance. A declined choice should remain declined across the session workflow.

Sources and interpretation

Educational summary prepared for JMM. No independent clinical review is recorded. These sources do not validate the complete app or endorse this service. Some external sources are in English.

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Performance aids need a specific question. | Jas Miami Method