Vitamin c may change your gut bugs – new study
NCT ID NCT07388121
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how vitamin C supplements change the bacteria living in your gut. Twenty-three healthy adults will take a moderate dose (200 mg) and then a high dose (1000 mg) of vitamin C daily for two weeks each. Researchers will measure changes in gut bacteria, short-chain fatty acids, and inflammation markers from stool, blood, and urine samples.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Vitamin C (ascorbic acid) as a dietary supplement
- What this could lead to
- If successful, this study could reveal how vitamin C influences gut health, potentially guiding future dietary recommendations.
- What could go wrong
- This is a small, early-stage study with only 23 healthy adults. Results may not apply to people with health conditions or different diets.
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
Locations
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New Lister Building, Glasgow Royal Infirmary, 10-16 Alexandra Parade, G31 2ER
RECRUITINGGlasgow, G31 2ER, United Kingdom
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