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Detect bacterial overgrowth that standard testing misses
The Small Intestinal Bacterial Overgrowth (SIBO) breath test measures hydrogen and methane gas production after ingesting a lactulose or glucose solution, revealing bacterial overgrowth in your small intestine — a condition that drives bloating, gas, diarrhea, and malabsorption.
SIBO is wildly underdiagnosed yet affects an estimated 60–80% of IBS patients. Standard stool tests can't detect it because they only sample the large intestine. Breath testing is the gold standard for SIBO diagnosis.
SIBO is the hidden driver behind countless 'IBS' diagnoses. Patients suffer for years on restrictive diets without addressing the root cause: bacteria in the wrong place, fermenting food in your small intestine and creating gas, inflammation, and malabsorption. Gabriel uses SIBO breath test results to design targeted antimicrobial protocols (herbal or pharmaceutical), prokinetic support, and dietary strategies that actually resolve the overgrowth instead of just managing symptoms.
You'll fast overnight, then drink a lactulose or glucose solution and breathe into collection tubes every 15–20 minutes for 3 hours. The test is done entirely at home. Mail the breath samples in the prepaid package. Results arrive in 7–10 business days showing hydrogen and methane levels over time. Upload to Gabriel for SIBO protocol design.
Conventional practitioners read these results through a disease-focused lens — looking for what's broken. Gabriel reads them through a naturopathic lens — looking for what's out of balance and how to restore it. We see optimal ranges, not just "normal" ranges. We connect findings across all your diagnostics to reveal patterns that siloed specialists miss.
$200–$300