Gil Carvalho on Beta-glucans
5 episodes · 5 references · 2025–2026
- Carvalho highlights beta-glucan (from oats) for lowering cholesterol, ApoB, fasting insulin, blood pressure, BMI, and body fat, citing randomized trials - Uses beta-glucan supplements personally for controlled fiber intake during dietary experiments - No dosing guidance, timing recommendations, or cautions discussed
Consumption
- Uses beta-glucan supplements in capsule form during dietary experiments for precise fiber quantification - Chooses supplements over whole oats to add fiber without changing caloric intake - No specific dose or frequency mentioned
Benefits
- Randomized trials show beta-glucan lowers ApoB, fasting insulin, and blood pressure in hypertensive individuals - Trials suggest beta-glucan specifically drives oats' effects on reducing body weight, BMI, and body fat - Beta-glucan is a soluble fiber responsible for oats' cholesterol-lowering properties
“I know some viewers will wonder why I use supplements instead of eating the actual foods. In the context of the experiment, the beta glucan supplement allows you to add fiber without changing the calories and is easier to quantify because it's a capsule.”
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“This trial suggests that the benefit of oats in reducing body weight, BMI, and body fat may be coming specifically from this type of fiber, the beta-glucan.”
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“Randomized trials have shown that the beta glucan in oats helps lower APOB, fasting insulin, and blood pressure in people with hypertension.”
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“We could come up with a mechanistic argument that has some support that would argue that the blood pressure would come down for example with beta-glucan that has been shown to have these types of effects.”
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“This is probably due to the beta glucan in oats, which is a type of fiber in there, a type of soluble fiber. Oats themselves have the same effect of cholesterol lowering.”
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