🥂Happy New Year Friends!!!
Start the year off with this 10/10 breakfast hack
From the Desk of a Doctor Newsletter
🥣 This Breakfast Fiber Can Flatten Your Blood Sugar All Day
What if one small tweak to breakfast could lower your blood sugar spike now — and still help you handle lunch hours later?
A new randomized controlled trial (Food & Function, PMID: 40326558) found that adding 4 grams of oat beta-glucan to breakfast — roughly ⅔ to 1 cup of oats — significantly improved blood sugar control across two meals.
The Study:
19 healthy adults consumed a standardized breakfast containing 30 g glucose, paired with 0 g, 2 g, 3 g, or 4 g of oat beta-glucan. A standardized lunch followed 3.5 hours later to test the “second-meal effect.”
Key Findings:
✅ 28% lower glucose spike at breakfast with 4 g beta-glucan
✅ 24% lower glucose response at lunch — even though the meal didn’t change
✅ Lower insulin demand at both meals
✅ Hunger decreased, satiety increased up to 49% with 4 g dose
Why it works:
Oat beta-glucan forms a viscous gel in the gut, slowing gastric emptying and glucose absorption. This doesn’t just blunt the first spike — it reshapes insulin and glucose handling for hours.
Takeaway:
You don’t need a supplement. About ¾–1 cup of oats at breakfast can deliver enough beta-glucan to smooth blood sugar all day. Simple, cheap, and powerful.
— Dr. Myro Figura
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About the Author
I’m Dr. Myro, a board-certified doctor and med school educator who somehow ended up with over 6 million followers watching my science videos on
YouTube,
Instagram,
TikTok,
and Facebook.
I’ve published 60+ scientific abstracts and even written a book, but this newsletter is my favorite project. Here I get to share the good stuff — simple, actionable health tips delivered twice a week. Happy to have you here.
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