Dr Sarah Ernst

04/13/2026

04/11/2026

04/10/2026

A revolutionary study was recently published … People with SIBO (small intestinal bacterial overgrowth) aka dysbiosis, aka leaky gut are twice as likely to have coronary artery disease.

Small intestinal bacterial overgrowth (SIBO) decreases vitamin K2 production in the gut.

K2 is needed to activate MGP—a protein that keeps calcium out of the cardiovascular system.

SIBO leads to lower active MGP and increased cardiovascular calcification.

"Patients with SIBO had a higher frequency of coronary artery disease (79 vs. 39%)... SIBO was found to be associated with CAD and with the number of coronary arteries involved in this study from a single tertiary center."

SIBO is a far better predictor of heart disease than:
—Chronic kidney disease
—High blood pressure
—Metabolic syndrome
—Type 2 diabetes
—Low HDL
—High trigs
—Smoking
—Obesity

Ref: Association Between Small Intestinal Bacterial Overgrowth by Glucose Breath Test and Coronary Artery Disease

04/10/2026

04/10/2026

This post is for Wells Tina and anyone else who says Dr. Ernst is a

Ever wonder how to tell if your doctor is the real deal… or just another “quack”?

Here’s the twist no one talks about 👇

If a doctor ONLY knows how to prescribe medications, suppress symptoms, and send you down a path of endless follow-ups without ever asking WHY your body is breaking down… are they truly a healer?

Or are they just managing problems?

Now flip the script.

If a doctor starts asking deeper questions… Looks at your nutrition, your gut, your toxins, your nervous system… Talks about restoring function instead of masking symptoms…

What do they often get labeled?

“Quack.”

Isn’t that interesting?

The ones trying to get your body to actually HEAL… get criticized. The ones handing out prescriptions… get praised.

So let me ask you something honestly:

Do you want someone who manages disease… Or someone who helps your body reverse it?

Because in today’s world, the “quacks” are often the only ones asking the right questions.

And deep down… you already know that.

It might be time to stop chasing temporary fixes and start looking for real answers.

Your body was designed to heal — you just need the right guide.

04/09/2026

04/09/2026

04/08/2026

04/08/2026

04/06/2026

I was never taught this is school: meal timing may be more powerful than medication for gut disease.

A new clinical trial in Gastroenterology found that intermittent fasting reduced Crohn's disease activity by 40%.

Patients who restricted eating to an 8-hour window for 12 weeks saw:
-- 40% reduction in disease activity
-- Abdominal pain cut in half
-- 5.5 lbs of fat loss (control group gained 3.7 lbs)
-- Reduced inflammatory blood markers
-- Greater gut microbiome diversity

The fasting group also showed enrichment in bacteria that produce short-chain fatty acids -- anti-inflammatory molecules that support metabolic health.

This is metabolic medicine. When you give your gut time to rest and repair, inflammation resolves and the microbiome rebalances.

Full breakdown coming on the Health Longevity Secrets podcast.



Source: https://doi.org/10.1053/j.gastro.2025.11.008