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Under researchMetabolism and microbiome

Metabolic syndrome and obesity

The gut microbiome plays a key role in metabolism, weight regulation, and energy balance. In the clinical practice of Han's United, metabolic disorders are among the actively treated conditions in a cohort of over 15,000 patients.

Important: FMT is not a "magic pill" for weight loss. It is an investigational method of influencing metabolism through the microbiome, complementing a healthy lifestyle.

Reviewed by:Dr. Zhang Wei·Gastroenterologist, Han's UnitedUpdated:March 12, 2026

What is metabolic syndrome?

A cluster of interrelated disorders that increase the risk of cardiovascular disease and type 2 diabetes.

Metabolic Syndrome

About the syndrome

Metabolic syndrome is diagnosed when three or more of five criteria are present: abdominal obesity, elevated blood pressure, high blood sugar, low "good" cholesterol (HDL), and high triglycerides.

Statistics: Up to 25% of the adult population shows signs of metabolic syndrome. At the Han's United clinic, metabolic disorders are among the actively treated indications.

Syndrome components

  • Abdominal obesity (waist circumference)
  • Arterial hypertension
  • Elevated fasting glucose
  • Dyslipidemia (low HDL, high TG)
  • Insulin resistance

Microbiome and metabolism

  • The microbiome influences calorie extraction from food
  • Gut bacteria regulate hunger and satiety hormones (GLP-1, PYY)
  • Dysbiosis is linked to chronic systemic inflammation
  • Short-chain fatty acids (butyrate) affect insulin sensitivity

Traditional approaches

Include lifestyle changes (diet, physical activity), pharmacotherapy (statins, metformin, antihypertensives).

Many patients struggle to maintain lifestyle changes. The microbiome may be the missing link in a comprehensive treatment approach.

Why FMT for metabolic syndrome?

Studies show that microbiome composition differs between people with normal weight and obesity. FMT may help restore metabolic balance.

1

Dysbiosis in obesity

Bacterial imbalance, low diversity

2

Metabolic disruptions

Inflammation, insulin resistance, fat accumulation

3

FMT from a healthy donor

Transplantation of a healthy microbiome

4

Improved metabolism

Better insulin sensitivity

Mechanism of action

A healthy microbiome improves short-chain fatty acid production (butyrate), reduces systemic inflammation, normalizes hunger hormone production (GLP-1, PYY), and improves intestinal barrier function.

Potential effects of FMT

  • Improved insulin sensitivity
  • Normalization of lipid profile
  • Reduced inflammation markers
  • Support for lifestyle changes

Realistic expectations: FMT is not a replacement for diet and physical activity. Studies show moderate effects on metabolic parameters. Results are individual.

Research results

FMT for metabolic syndrome is an actively developing field. At Han's United, metabolic disorders (obesity, type 2 diabetes, metabolic syndrome) are part of clinical practice.

+75%

Improvement in insulin sensitivity (Vrieze et al.)

15,000+

Patients in the Han's United cohort

6 wks

Duration of metabolic effect

AMC

Leading research center (Amsterdam)

Key studies

  • Vrieze et al., Gastroenterology 2012: FMT from lean donors improved insulin sensitivity by 75% in patients with metabolic syndrome
  • Kootte et al., Cell Metabolism 2017: The FMT effect is short-term but demonstrates the fundamental possibility of influencing metabolism through the microbiome
  • Han's United clinical practice: Metabolic syndrome, type 2 diabetes, and obesity are among the conditions treated with FMT in a cohort of over 15,000 patients
61%improvement in metabolic markers

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Patient story

Experience with a comprehensive approach to metabolic syndrome

"Metabolic syndrome plagued me for 5 years — high blood pressure, prediabetes, excess weight. Diets gave temporary results. After a course of FMT combined with a nutrition program, I noticed it became easier to control my appetite and weight. Over 4 months, my insulin levels improved, although it was a comprehensive approach."
ZW

Zhang W.

48 years old, Nanchang

Name changed. Results are individual.

Looking for a comprehensive approach?

If traditional methods are not producing results, contact us via Telegram or WhatsApp. A doctor will assess whether FMT could be part of your treatment program.

61% improvement in metabolic markers
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China, Jiangxi Province, Shangrao City, Guangxin District, West Binjiang Road