Beta-glucan is the soluble fibre behind oats’ FDA-approved cholesterol-lowering claim — one of the best-evidenced functional compounds in food.
What is Beta-glucan?
Beta-glucan is a Soluble fibre that plays a critical role in forming a viscous gel in the gut. While many general diets overlook it, maintaining optimal levels of Beta-glucan is frequently tracked by people working to optimize their LDL cholesterol.
Top Foods High in Beta-glucan
A data-driven breakdown of the foods with the highest concentration of Beta-glucan per 100 g.
| Food | Beta-glucan | % DV |
|---|---|---|
| Oats | 4 g | 133.3% |
| Whole Wheat Bread | 0.8 g | 26.7% |
How Beta-glucan Impacts LDL cholesterol
Research links diets rich in Beta-glucan to changes in LDL cholesterol. Diets naturally abundant in this compound often support lower LDL cholesterol markers by binding bile acids so the body draws cholesterol from the blood to replace them.
Scientific references & clinical evidence
This guide is built on peer-reviewed research — verify the primary sources below.
Written by the Nutrition Encyclopedia team · medically reviewed by Dr. Sunaina Tariq, MBBS
Last updated 21 June 2026
How we source & verify data · Medical disclaimer
Nutrition values are approximations compiled from public food-composition databases (USDA FoodData Central) and are provided for educational purposes only — not medical advice.
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