Beta-glucan: Prebiotics for gut health
Beta-glucan is a soluble fiber from oats that acts as a prebiotic and supports gut flora. Learn how it contributes to digestion and well-being.
Introduction
Gut health is built on a balanced flora of microorganisms. Dietary fibers like beta-glucan play a key role by nourishing beneficial bacteria.
Oat beta-glucan is fermented in the large intestine, producing short-chain fatty acids. This makes it a classic prebiotic.
We dive into the facts, sources, and EFSA-approved effects.
What is beta-glucan as a prebiotic?
Beta-glucan is a soluble β-1,3/1,4-glucan fiber found in oats, barley, mushrooms, and yeast. It is classified as a prebiotic because it selectively stimulates the growth of beneficial gut bacteria.
It reaches the large intestine undigested and serves as a substrate for Bifidobacterium. The EFSA confirms its role in digestion at a daily intake of 3 grams.
PromOat from Lantmännen is an example of pure oat beta-glucan produced without chemicals.
Oat beta-glucan: How does it work?
Oat beta-glucan forms a viscous gel in the gut that slows glucose absorption. It is fermented into butyrate, which provides energy to the intestinal lining.
It increases water retention and supports normal bowel function.
Prebiotic effect verified by an increase in bifidobacteria.
Where can you find beta-glucan in your diet?
A serving of oatmeal (40 grams) provides 1–2 grams of beta-glucan. Whole grain products and oat bran are rich sources.
Mushrooms like reishi contain β-1,3-glucan variants. Daily intake via porridge or smoothies is recommended.
Benefits of beta-glucan for gut health
Beta-glucan as a prebiotic promotes microbiome diversity. It contributes to normal digestion through fermentation.
EFSA-approved claims include cholesterol reduction with 3 grams of oat beta-glucan. It lowers LDL cholesterol over the long term.
Post-meal blood sugar balance is supported with an adequate dose.
Prebiotic effects of oat beta-glucan
Fermentation produces SCFAs such as butyrate and propionate. These support the intestinal barrier and reduce inflammation.
Clinical studies show increased Bifidobacteria after 4 weeks. Lantmännen PromOat has a high concentration (34%) for effectiveness.
Beta-glucan and probiotics: Synergy
Prebiotics like beta-glucan feed live bacteria in the gut. This enhances the effect of strains such as Bacillus coagulans.
Relivo contains oat beta-glucan along with 2 billion Lactospore® spores. According to their research, this combination supports gut function.
Example: Prebiotic fiber provides a substrate for spores to improve survival.
Beta-glucan for bloating and gas
Gel formation regulates the rate of fermentation. This reduces spikes in gas production from fiber.
At 3-6 grams daily, you will often notice calmer digestion. Combine with exercise for optimal effect.
Frequently asked questions about beta-glucan
Is beta-glucan the same as fiber?
Yes, it is a soluble prebiotic fiber.
How quickly will I notice an effect?
Blood sugar after meals, gut health within weeks.
Is it vegan?
Yes, it is derived from oats.
Summary
Oat-derived beta-glucan as a prebiotic is a reliable way to support the gut microbiome long-term. It ferments naturally and creates a favorable environment for beneficial bacteria.
About Relivo
Relivo is a complete daily nutritional supplement developed in collaboration with Swedish researchers and nutritionists. Relivo combines 38 carefully selected nutrients that support the body's most important systems and structures.
Everything is contained in one scoop of powder, designed to be easy to use and simple to incorporate into your daily routine. Relivo mixes in 60 seconds and serves as a long-term nutritional foundation for energy, immune function, gut health, muscles, and joints.
Sources
• Lantmännen/PromOat – Scientific background, EFSA claims, prebiotic effect.
• Relivo.se/forskning – Confirms oat beta-glucan in product with Lactospore®.
• Relivo article on beta-glucan and the gut.
