The Effects of a Probiotic Food Supplement in Hyperuricaemia

Inclusion Criteria: 1. Signed informed consent prior to any study-related procedures 2. Age 18-80 years old 3. BMI range 17.5-40 kg/m2 4. Blood uric acid above 405 μmol/l (6.8 mg/dl) 5. Willing to abstain from regular consumption of probiotic supplements or food products containing probiotic bacteria (including fermented food and beverages) during the study 6. Willing to abstain from regular consumption of supplements and medications known to alter gastrointestinal function or inflammatory status during the study Exclusion Criteria: 1. Recent (within last month) episode of gout 2. Diagnosis of type 1 diabetes 3. Diagnosed inflammatory bowel disease (IBD) 4. Current diagnosis of psychiatric disease/s or syndromes 5. Current diagnosis of neurodegenerative disease 6. Current pregnancy or breastfeeding 7. History of complicated gastrointestinal surgery 8. (Partial) resection of the small intestine or colon 9. Regular use of urate-lowering treatment (apart from allopurinol) in the month prior to inclusion 10. Oral or intravenous administration of antibiotics and/or corticosteroids in the 4 months prior to inclusion 11. Regular use of any non-steroidal anti-inflammatory drug (NSAID) during the last month prior to inclusion (apart from low-dose acetylsalicylic acid) 12. Consumption of more than 9 standard glasses of alcohol-containing drinks per week and/or more than 4 standard glasses per occasion 13. Regular use of probiotic or prebiotic supplementation in the month prior to inclusion 14. Any condition or intake of medication which could substantially interfere with the outcome of the study, as decided by the principal investigator's discretion