Lateral flow and laboratory-based test providers outcomes
| Provider (assay) | Type of test | Instruction type (readability score) | Cost £ (including postage where applicable) | Turnaround time business/total days (email updates) | Positivity threshold | Clinical recommendations (positive result) | Clinical recommendations (negative result) | Result (readability score) |
| Nova Detox (Veda lab) | LFT | Written and pictorial (63.7/7) | 17.49 | 10–15 min (n/a) | >50 µg/g | Consult a doctor | Consult a doctor if symptoms persist | 62.9/7.6 Includes pictorial illustration |
| Stress no more (Veda lab) | LFT | Written and pictorial (63.7/7) | 18.95 | 10–15 min (n/a) | >50 µg/g | Consult a doctor | Consult a doctor if symptoms persist | 62.9/7.6 Includes pictorial illustration |
| Home Health UK (AllTest) | LFT | Written and pictorial (43.9/10.8) | 8.35 | 5 min (n/a) | >50 µg/g | No recommendation | No recommendation | 72/6.7 Includes pictorial illustration |
| GP diagnostics via ebay (AllTest) | LFT | Written and pictorial (43.9/10.8) | 7.85 | 5 min (n/a) | >50 µg/g | No recommendation | No recommendation | 72/6.7 Includes pictorial illustration |
| Test your intolerance (AllTest) | LFT | Written and pictorial (46.2, 10.4) Video on website | 21 | 5 min (n/a) | >50 µg/g | No recommendation From website: the results can be used to seek further medical treatment. Diagnosis cannot be based on the results of the one single lateral flow test. Results do not substantiate a medical diagnosis on their own but may be used by your doctor to help form a diagnosis or to request a secondary analytical test or physical investigation | No recommendation | 72/6.7 Includes pictorial illustration |
| Valuemed (AllTest) | LFT | Written and pictorial (46.2/10.4) | 10.9 | 5 min (n/a) | >50 µg/g | No recommendation | No recommendation | 72/6.7 Includes pictorial illustration |
| Verisana | ELISA | Written (62.5/7.6) | 105.85 | 10/14 days (email update on arrival to lab 72 hours after postage) | >50 mg/kg | No direct recommendation with electronic result Quantitative results in mg/kg Also provided results of lysozyme From website: instructions on interpretation results based on coloured text. ‘You can then discuss results with your doctor or health practitioner, who can give you further guidance and treatment recommendations’ | No direct recommendation with electronic result Quantitative results in mg/kg Also provided results of lysozyme | 64.9/7.2 |
| Smart nutrition | ELISA | Written (55.9/8.9) | 75.85 | 15/22–23 days | >100 µg/g | Results presented in traffic light chart Advised to discuss result with a doctor Link to consultation in IBS and SIBO clinic | Link to consultation with nutritional therapist | 51.9/11.7 |
| Selph | OC sensor | Written (54.3/9.2) Video | 59 | 2/2 days (email update after 1 day) | >50 µg/g 50–250 µg/g repeat test in 2 weeks | Consult a doctor Doctors' report provided | Results presented in traffic light chart Consult a doctor if symptoms persist | 47.2/11.3 |
| Blue Horizon | ELISA | Written (73.7/6.2), but many illegible words due to printing quality | 151 | 10/14 days (included 2 days for doctor’s comments) | >50 µg/g 50–120 µg/g repeat test in 4–6 weeks | Consult a doctor | Consult a doctor | 51.8/10.8 |
| Online Clinic | OC sensor | 54.3/9.2 | 68.95 | 1/1 day | >50 µg/g as per pathology result cut-off >100 µg/g as per website 50–250 µg/g repeat test in 2 weeks | Consult a doctor Doctor’s interpretation provided Offered a private referral letter | Consult a doctor if symptoms persist | 12.9/15.8 |
IBS, irritable bowel syndrome; LFT, lateral flow test; SIBO, small intestinal bacterial overgrowth.