Last verified: 17 days ago
Glucose Syrup
Also known as: corn syrup, glucose solution, dextrose syrup, liquid glucose
Evidence under review. — Not yet rated
A refined sugar used as a food ingredient and placebo in studies. No proven health benefits.
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What it does
Glucose syrup is a concentrated liquid sugar derived from starch. In the provided research, it appears almost exclusively as a placebo or control substance in clinical trials — not as an active...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose
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Found in
OLLY Women's Multi Gummies, OLLY Daily Energy, OLLY Sleep Blackberry Zen and 1 more
What the Science Says
Glucose syrup is a concentrated liquid sugar derived from starch. In the provided research, it appears almost exclusively as a placebo or control substance in clinical trials — not as an active ingredient with health benefits. It has been used as a reference liquid in pediatric medicine acceptability studies and as a control arm in nutrition research.
What It Doesn't Do
Not a health supplement. No evidence it improves energy, performance, or any health outcome. Being used as a placebo in studies means researchers chose it specifically because it has no expected therapeutic effect. Don't confuse 'used in research' with 'proven to work.'
Evidence-Based Benefits
Glucose syrup is well-accepted as a liquid formulation by children aged 6 months to 5 years.
Moderate EvidenceEffective at: 3-10 mL
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Good — glucose is rapidly absorbed in the small intestine, but this is not a therapeutic benefit in supplement context
Red Flags to Watch For
- Glucose syrup is a refined sugar with no demonstrated health benefits in the provided research
- Frequently used as a placebo (inactive control) in clinical trials — the opposite of an active ingredient
- High sugar content may contribute to blood glucose spikes, especially in people with metabolic concerns
- Presence in 1,000+ registered supplement products often as a filler or carrier, not an active ingredient
- Mouse studies suggest chronic sugar syrup consumption may alter sweet preference and increase daily sugar intake
Products Containing Glucose Syrup
See how Glucose Syrup is used in these analyzed products:
Frequently Asked Questions
What does Glucose Syrup do?
A refined sugar used as a food ingredient and placebo in studies. No proven health benefits.
What is the effective dose of Glucose Syrup?
No established dose
Is Glucose Syrup safe?
Glucose syrup is a refined sugar with no demonstrated health benefits in the provided research
What doesn't Glucose Syrup do?
Not a health supplement.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25