| 6-keto PGF1α | 6-keto-prostaglandin F1α (metabolite of prostacyclin) |
| ANOVA | Analysis of variance |
| BMI | Body mass index; weight (kg):height (m)2 |
| CGMP | Cyclic guanosine 3',5'-monophosphate |
| CI | Confidence interval |
| COX-1, COX-2 | Cyclo-oxygenase isoenzymes |
| fB-gluc | Blood glucose (fasting concentration) |
| H2 | Hydrogen (breath) |
| IBS | Irritable bowel syndrome |
| LPH | Lactase (phlorizin hydrolase) |
| NO | Nitric oxide |
| NOS | Nitric oxide synthase |
| NOx | Nitrate + nitrite (metabolite of nitric oxide) |
| PGE2-M | Prostaglandin E2-M |
| SEM | Standard error of mean |
| U-gal | Urine galactose concentration |
| VAS | Visual Analogue Scale |