Can an amino acid supplement calm childhood eczema?

NCT ID NCT07670676

Completed Symptom relief Sponsor: Codex Labs Corporation Source: ClinicalTrials.gov ↗

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

Summary

This study tested whether a supplement containing L-histidine, along with a topical oil or lotion and unscented soap, could improve mild-to-moderate eczema in children. Forty children ages 1 to 12 were split into two groups: one received a powder supplement and the other a gummy supplement, both with the same amount of L-histidine. Researchers measured changes in eczema severity using standard scoring tools. The goal was to see if this combination could ease symptoms like itching, redness, and dryness.

What this could mean

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

Active substance: L-histidine (amino acid) in powder or gummy supplements, plus topical oil or lotion and unscented soap
What this could lead to: If it works, this could point toward a simple, non-drug way to ease eczema symptoms in children.
What could go wrong: This is a small, completed study with only 40 children and no control group. Results may not apply to all kids, and supplements are not a substitute for medical treatment.

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Conditions

The condition(s) this trial relates to.

atopic eczema Eczema

As listed by the trial registrant

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

ATOPIC DERMATITIS ECZEMA

Contacts and locations

Locations

Eurofins Dermscan Poland

Gdansk, Poland

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