To prepare for a microbiome stool test, avoid antibiotics, probiotics, and high‑dose fiber supplements for at least 3–7 days before sampling, as they can temporarily alter your gut flora. Do not use laxatives or perform bowel cleansing. Follow your test provider’s specific instructions regarding diet and medication pauses. Collect the sample from fresh stool, ideally in the morning, and store/ship it according to the kit’s guidelines (usually refrigerated). Keep in mind that microbiome tests provide a snapshot influenced by recent diet, stress, and medications. They are not validated for diagnosing diseases, but can offer general insights for lifestyle adjustments. Always discuss results with a healthcare professional.
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