Symptoms can include severe nausea, vomiting of undigested food, bloating, abdominal pain, feeling full after only a few bites, and persistent constipation
Bad breath affects approximately 35% of people worldwide and 80 million people in the US
How it works This is an at-home urine test you collect yourself and mail back for analysis
This is where the term units often enters the equation, leading to potential misinterpretations
doi: 10.3389/fphar.2025.1591825 Received 11 March 2025 Accepted 28 August 2025 Published 08 October 2025 Volume 16 - 2025 Edited by Er Sheng Gong, Gannan Medical University, China Reviewed by Guillermo Federico Spitzmaul, National Scientific and Technical Research Council (CONICET), Argentina Leonardo Dionisio, National Scientific and Technical Research Council (CONICET), Argentina Updates Copyright 2025 Giannini, Soldi, Elli, Sagheddu, Castagnetti, Viciani, Salvini, Battistuzzi, Milazzo, Alibrandi and Sidoti