| BMI | body mass index |
| CCK | cholecystokinin |
| CONSORT | Consolidated Standards of Reporting Trials |
| FGDs | gastrointestinal disorder symptoms |
| GERD | gastroesophageal reflux disease |
| GLP-1 | glucagon-like peptide 1 |
| GIP | gastric inhibitory polypeptide |
| IBS | irritable bowel syndrome |
| NCS | non-caloric sweeteners |
| NCS-f | non-caloric-sweetener-free diet |
| c-NCS | diet containing non-caloric sweeteners |
| PYY | peptide YY |
| PreTx | pretreatment |
| PostTx | post-treatment |
| SD | standard deviation |
| SE | standard error |
| UPFDs | ultra-processed food and drinks |
| WHR | waist–hip ratio |
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