Dustin Barrington, Author at Peak Functional Health

What Wearing a CGM Taught Me About My Own Body (And Why Your Results Will Be Different)

What Wearing a CGM Taught Me About My Own Body (And Why Your Results Will Be Different) The first time I put on a continuous glucose monitor, I was not managing a diagnosis. I was a functional medicine practitioner who had spent years helping clients understand their metabolic health, and I realized I had never […]

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Unlocking the Power of Omega-3s

Heart Health, Hormone Health, Immune Health, Metabolic Health, Nutrition / Dustin Barrington

From brain health to inflammation control: why these essential fats matter more than you think Last week, we discussed how fat has had a bad rap and that when most people think about it, they think about how to avoid it. But essential fat is called essential for a reason: our bodies can’t make it, and

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The Impartial Truth of Calories

Nutrition / Dustin Barrington

Much more complex than math. It’s easy to see why the theory of calories in, calories out has been embedded in nutrition and exercise advice for years. Seemingly, the logic is clean, reliable, and mathematically sound. Basically, just eat fewer calories than you burn, and you’ll lose weight. On paper, it works something like this:

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The Real Story Behind Cholesterol, Fat, and Heart Disease

Heart Health, Hormone Health, Metabolic Health, Nutrition / Dustin Barrington

Does Dietary Cholesterol Cause High Blood Cholesterol? We like to think of science as a fail-proof compass pointing us toward better health outcomes. And in many ways, it does. The scientific method (hypothesize, test, observe, refine) has given us life-saving medicines, surgical advances, and countless insights into how the body works. But science is also

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Hypertension’s Connection to Metabolic Disease

Heart Health, Metabolic Health / Dustin Barrington

Known as the silent killer, the Center for Disease Control estimates that nearly one half of adults have high blood pressure (HBP), and in 2023 it was a primary contributing cause of more than 664,000 deaths in the United States alone. Of those with a hypertension diagnosis, only one in four have their pressure “under

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The Food First Philosophy

Functional Nutrition 101, Immune Health, Nutrition / Dustin Barrington

Nutrition Synergy > Supplementation You’ve heard “food is medicine,” because food isn’t just calories, it’s information. The food you consume, from that chicken salad sandwich at lunch to the late night dessert are messages instructing your cells how to operate, repair, and activate (or deactivate) genetic code. As such, food is considered the foundation of

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10 Signs Your Digestion Needs Support

Gut Health, Hormone Health, Immune Health, Metabolic Health / Dustin Barrington

Digestion and Its Health Connection Digestive health is often talked about in terms of bloating, gas, or constipation, but the truth is much bigger: the gut is involved in every system of the body. From hormones and mood to skin and immune function, your digestion plays a foundational role in how you feel each day.

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Resistant Starch: The Secret Weapon for Your Gut (and Glucose)

Blood Sugar, Gut Health, Metabolic Health, Recipes / Dustin Barrington

Make a whole food even better + recipe As Thanksgiving rolls around, many of us feel a little more adventurous at the table. Whether it’s mashed potatoes, fluffy yam casserole, or a warm rice pilaf, the holiday season brings comfort, and quite a bit more carbohydrates. But with those, especially when insulin sensitivity is a

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