Tiny citrus fruit tested for blood sugar benefits

NCT ID NCT07587905

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study is testing whether taking calamansi (a small citrus fruit) powder capsules for 12 weeks can change blood glucose and insulin levels in healthy young adults aged 18-30. Fifty-four participants will be randomly assigned to receive either calamansi capsules or a placebo. Researchers will measure blood sugar, insulin, and other health markers at the start, after a single dose, and after 12 weeks of daily supplementation.

What this could mean

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

Active substance

Calamansi (Citrus x macrocarpa) powder capsule

What this could lead to

If it works, this could point toward a natural supplement that helps manage blood sugar levels in healthy people.

What could go wrong

This is a small, early-stage study in healthy volunteers only, so results may not apply to people with diabetes or other conditions. The effect may be small or nonexistent.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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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

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

Locations

  • Piyapong Prasertsri

    RECRUITING

    Mueang, Burapha University, 20131, Thailand

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

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