Timing of leucine supplements may boost muscle in seniors

NCT ID NCT06567665

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at when older men should take leucine supplements to best build muscle after exercise. Ten healthy men aged 65-75 will take leucine either with a meal or between meals after exercising. Researchers will measure how much new muscle protein is made to find the optimal timing.

What this could mean

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

Active substance
Leucine (a dietary supplement, an essential amino acid)
What this could lead to
If it works, this could point toward simple dietary strategies to help older adults maintain muscle mass and prevent frailty.
What could go wrong
This is a very small, early-stage study with only 10 healthy men aged 65-75. Results may not apply to women, less healthy people, or those who exercise regularly.

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

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As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • University of Nottingham

    RECRUITING

    Nottingham, Nottinghamshire, NG7 2UH, United Kingdom

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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