L-Carnitine: a natural boost for Post-Workout recovery?

NCT ID NCT07492446

Completed Symptom relief Sponsor: Istanbul Sabahattin Zaim University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether taking L-carnitine supplements for 21 days can reduce muscle damage and soreness after high-intensity interval training in young male athletes. Thirty healthy athletes took either L-carnitine or a placebo, and researchers measured blood markers of muscle damage and self-reported pain. The goal is to see if this common supplement can speed up recovery and improve performance.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: L-carnitine (dietary supplement)
What this could lead to: If it works, this could point toward a simple supplement to help athletes recover faster from intense workouts.
What could go wrong: This is a small, completed study with only 30 participants, so results may not apply to everyone. The supplement may have little effect due to low absorption.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARNITINE INGESTION EXERCISE AND RECOVERY EXERCISE ERGOGENICS EXERCISE FATIGUE RECOVERY METHODS

Contacts and locations

Locations

Istanbul Sabahattin Zaim University, Faculty of Sports Sciences

Istanbul, Küçükçekmece, 34303, Turkey (Türkiye)

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