Small Intestinal Bacterial Overgrowth (SIBO) Breath Test

Advanced Functional Medicine Diagnostics for Gut Health, Longevity & Root Cause Testing

The Small Intestinal Bacterial Overgrowth (SIBO) Breath Test is a clinically validated, non-invasive diagnostic tool used in functional medicine tests, integrated medicine testing, and advanced longevity tests to identify gut-related imbalances affecting digestion, metabolism, immunity, and healthy aging.

Offered at a trusted functional health centre and leading longevity lab in Delhi / India, this test is commonly recommended by an experienced functional medicine practitioner in Delhi/India as part of holistic health tests and personalized root cause testing programs.

Overview of the SIBO Breath Test

The SIBO Breath Test measures exhaled hydrogen (H₂) and methane (CH₄) gases after ingestion of a lactulose solution. These gases are produced by abnormal bacterial or methanogen overgrowth in the small intestine and are key markers evaluated through functional medicine diagnostics.

This test is designed to detect:

• Small Intestinal Bacterial Overgrowth (SIBO)
• Intestinal Methanogen Overgrowth (IMO)

SIBO testing is frequently integrated into biological age test protocols and preventive longevity tests, as chronic gut dysfunction is known to accelerate inflammatory and metabolic aging.

Testing Profiles Available

We offer two clinically relevant testing options used in functional medicine tests and integrated medicine testing:

• 2-hour test : Standard assessment suitable for most patients extended monitoring may identify hydrogen sulfide production

This profiles support accurate root cause testing, especially in complex digestive and systemic health cases.

Why Test for SIBO?

SIBO occurs when excessive bacteria colonize the small intestine, leading to:

• Nutrient malabsorption
• Chronic inflammation
• Disruption of gut–brain and gut–immune pathways

These mechanisms are strongly associated with accelerated biological aging, making SIBO evaluation relevant in biological age test programs and preventive longevity tests offered at a longevity lab in Delhi / India.

Common Symptoms of SIBO

Patients undergoing holistic health tests or functional medicine diagnostics may report:

• Bloating and abdominal distension
• Excessive gas
• Diarrhea or constipation
• Abdominal pain or discomfort
• Indigestion (dyspepsia)

Such symptoms are routinely evaluated by a functional medicine practitioner in Delhi/India using advanced functional medicine tests.

Associated Conditions Linked to SIBO

SIBO is commonly associated with:

• Irritable Bowel Syndrome (IBS)
• Inflammatory Bowel Disease (IBD)
• Celiac disease
• Diabetes
• Fibromyalgia
• Rosacea
• Parkinson’s disease
• Obesity

These conditions benefit from integrated medicine testing and targeted root cause testing rather than symptom-only management.

Risk Factors for Developing SIBO

Risk assessment is a critical component of functional medicine diagnostics and longevity tests, and includes:

• Intestinal motility disorders
• Structural abnormalities of the digestive tract
• Chronic pancreatitis
• Post-gastroenteritis changes
• Long-term proton pump inhibitor (PPI) use
• Ileocecal valve dysfunction
• Immunocompromised states

How the SIBO Breath Test Works

The Small Intestinal Bacterial Overgrowth (SIBO) Breath Test follows standardized protocols used globally in functional medicine tests and integrated medicine testing:

1. Preparation : Special diet for 24 hours, overnight fasting, and medication restrictions
2. Baseline breath sample : Collected before lactulose intake
3. Lactulose solution : Patient consumes 10g lactulose in water
4. Breath sampling : Samples collected every 15–20 minutes over 2–3 hours

Strict preparation ensures high accuracy in functional medicine diagnostics and root cause testing.

Patient Preparation Guidelines (Summary)

For accurate results in longevity tests and biological age test programs:

• Follow a low-residue diet for 24 hours
• Fast for 12 hours (water only)
• Avoid antibiotics (4 weeks), probiotics and laxatives (as advised)
• Avoid gum, smoking, and strenuous exercise on test day
• Continue essential medications only after consulting your doctor

Special Considerations

• Lactulose intolerance or allergy : Not suitable for confirmed allergy
• Diabetes : Use with caution due to possible blood sugar effects

These factors are carefully evaluated by a functional medicine practitioner in Delhi/India at a certified functional health centre.

Why Choose the SIBO Breath Test?

• Gold-standard breath analysis for SIBO and IMO
• Non-invasive, safe, and patient-friendly
• Supports targeted treatment planning (antibiotics, herbal therapy, diet protocols)
• Backed by internationally recognized laboratory methodology

As part of comprehensive functional medicine tests, root cause testing, and longevity tests, the SIBO Breath Test plays a vital role in optimizing digestive health, metabolic balance, and long-term wellness.