| Host and Biospecimen | Status | Mean   | Std   | Min   | Max   | Units | Age | Sex | Health Condition | Data Source | Reference | 
|---|
| Human Feces | Detected but not Quantified |  |  |  |  |  |  |  |  | HMDB |  | 
| Human Saliva | Detected and Quantified | 40.50  |  13.83 |  |  | uM | Adult (>18 years old) | Male | Alzheimer's disease | HMDB | 23857558   | 
| Human Urine | Detected and Quantified |  |  | 427.656 | 681.457 | umol/mmol creatinine | Infant (0-1 year old) | Both | Amish lethal microcephaly | HMDB | 12376931   | 
| Human Blood | Detected and Quantified | 1088 |  |  |  | uM | Newborn (0-30 days old) | Male | Coenzyme Q10 deficiency, primary, 5 | HMDB | 26081641   | 
| Human Blood | Detected and Quantified | 274.0  |  | 250.0 | 298.0 | uM | Adult (>18 years old) | Both | Dengue fever | HMDB | 11237944   | 
| Human Blood | Detected and Quantified | 707.125 |  |  |  | uM | Infant (0-1 year old) | Male | Dihydrolipoamide Dehydrogenase Deficiency | HMDB | 6688766   | 
| Human Blood | Detected and Quantified | 263.8  | 51.5 |  |  | uM | Adult (>18 years old) | Female | Early preeclampsia | HMDB | 22494326   | 
| Human Blood | Detected and Quantified | 296.0  |  | 277.0 | 316.0 | uM | Adult (>18 years old) | Both | Epilepsy | HMDB | 14992292   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 48.6 |  |  |  | uM | Children (1-13 years old) | Female | Epilepsy, early-onset, vitamin B6-dependent | HMDB | 27912044   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 48.6 |  |  |  | uM | Newborn (0-30 days old) | Female | Epilepsy, early-onset, vitamin B6-dependent | HMDB | 27912044   | 
| Human Saliva | Detected and Quantified | 36.63  |  16.68 |  |  | uM | Adult (>18 years old) | Male | Frontotemporal lobe dementia | HMDB | 23857558   | 
| Human Blood | Detected and Quantified | 31  |  8.7 |  |  | uM | Infant (0-1 year old) | Male | Glucagon deficiency | HMDB | 904979   | 
| Human Blood | Detected and Quantified | 589.0  |  15.0 |  |  | uM | Adult (>18 years old) | Both | Heart failure | HMDB | 16789974   | 
| Human Blood | Detected and Quantified | 249  |  94 |  |  | uM | Children (1 - 13 years old) | Male | Histidinuria | HMDB | 1481808   | 
| Human Blood | Detected and Quantified | 366.8  | 204.8 |  |  | uM | Adult (>18 years old) | Female | Late-onset preeclampsia | HMDB | 23159745   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 34.8  |  7.8 |  |  | uM | Children (1-13 years old) | Not Specified | Leukemia | HMDB | 15911239   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 46.1  |  13.5 |  |  | uM | Children (1-13 years old) | Not Specified | Leukemia | HMDB | 15911239   | 
| Human Saliva | Detected and Quantified | 33.94  |  19.76 |  |  | uM | Adult (>18 years old) | Both | Lewy body disease | HMDB | 23857558   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 52 |  |  |  | uM | Children (1-13 years old) | Male | Lipoyltransferase 1 Deficiency | HMDB | 24341803   | 
| Human Urine | Detected and Quantified | 239 |  |  |  | umol/mmol creatinine | Children (1-13 years old) | Male | Lipoyltransferase 1 Deficiency | HMDB | 24341803   | 
| Human Blood | Detected and Quantified | 455  |  | 221 | 1086 | uM | Children (1-13 years old) | Male | Lipoyltransferase 1 Deficiency | HMDB | 24341803   | 
| Human Urine | Detected and Quantified | 23  |  | 10 | 55 | umol/mmol creatinine | Not Specified | Both | Lung cancer | HMDB | 18953024   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 0.16  |  | 0.13 | 0.18 | uM | Adult (>18 years old) | Both | Meningitis | HMDB | 7729054   | 
| Human Blood | Detected and Quantified |  |  | 233 | 331 | uM | Newborn (0-30 days old) | Female | Mitochondrial pyruvate carrier deficiency | HMDB | 12649063   | 
| Human Blood | Detected and Quantified |  |  | 185 | 1264 | uM | Newborn (0-30 days old) | Male | N-Acetylglutamate synthetase deficiency | HMDB | 7623444   | 
| Human Blood | Detected and Quantified |  |  | 261 | 432 | uM | Infant (0-1 year old) | Male | N-Acetylglutamate synthetase deficiency | HMDB | 7623444   | 
| Human Urine | Detected and Quantified | 76.3 |  |  |  | umol/mmol creatinine | Adult (>18 years old) | Both | Paraquat poisoning | HMDB | 9625050   | 
| Human Blood | Detected and Quantified | 1559 |  |  |  | uM | Infant (0-1 year old) | Female | Pearson Syndrome | HMDB | 25691415   | 
| Human Blood | Detected and Quantified |  |  | 658 | 1082 | uM | Children (1-13 years old) | Both | Pearson Syndrome | HMDB | 25691415   | 
| Human Blood | Detected and Quantified | 676 +/- 386  |  | 156 | 1503 | uM | Children (1-13 years old) | Female | Pearson Syndrome | HMDB | 25691415   | 
| Human Blood | Detected and Quantified | 231.9  | 87.3 |  |  | uM | Adult (>18 years old) | Female | Pregnancy | HMDB | 23313728   | 
| Human Blood | Detected and Quantified | 258.62  |  85.38  |  |  | uM | Adult (>18 years old) | Female | Pregnancy | HMDB | 23535240   | 
| Human Blood | Detected and Quantified | 267.32  | 53.39 |  |  | uM | Adult (>18 years old) | Female | Pregnancy | HMDB | 24704061   | 
| Human Blood | Detected and Quantified | 323.8  | 151.2 |  |  | uM | Adult (>18 years old) | Female | Pregnancy | HMDB | 23159745   | 
| Human Blood | Detected and Quantified | 332.1  | 184.2 |  |  | uM | Adult (>18 years old) | Female | Pregnancy | HMDB | 22494326   | 
| Human Blood | Detected and Quantified | 298 |  |  |  | uM | Children (1-13 years old) |  | Pyruvate carboxylase deficiency | HMDB | 28649521   | 
| Human Blood | Detected and Quantified | 958 |  |  |  | uM | Infant (0-1 year old) |  | Pyruvate carboxylase deficiency | HMDB | 28649521   | 
| Human Blood | Detected and Quantified | 1000 |  |  |  | uM | Infant (0-1 year old) | Male | Pyruvate dehydrogenase phosphatase deficiency | HMDB | 172850   | 
| Human Blood | Detected and Quantified | 392  |  111 |  |  | uM | Adult (>18 years old) | Male | Schizophrenia | HMDB | 2415198   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 4.04  |  0.57 |  |  | uM | Adult (>18 years old) | Both | Schizophrenia | HMDB | 7595563   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 19.2  |  | 16.1 | 22.3 | uM | Adult (>18 years old) | Both | Tuberculosis | HMDB | 7729054   | 
| Human Urine | Detected and Quantified | 13.2 |  |  |  | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | 9625050   | 
| Human Urine | Detected and Quantified | 39 |  |  |  | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | 19309105   | 
| Human Urine | Detected and Quantified | 40.8 |  |  |  | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | 21388201   | 
| Human Sweat | Detected and Quantified | 180 |  |  |  | uM | Adult (40 years old) | Male | Normal | HMDB | 22194922   | 
| Human Feces | Detected and Quantified | 8791 |  |  |  | nmol/g wet feces | Adult (>18 years old) | Not Specified | Normal | HMDB | 26416813   | 
| Human Feces | Detected and Quantified | 11283 |  |  |  | nmol/g wet feces | Adult (>18 years old) | Not Specified | Normal | HMDB | 26416813   | 
| Human Feces | Detected and Quantified | 12245 |  |  |  | nmol/g wet feces | Adult (>18 years old) | Not Specified | Normal | HMDB | 26416813   | 
| Human Urine | Detected and Quantified |  |  | 9 | 19 | umol/mmol creatinine | Adult (>18 years old) | Female | Normal | HMDB | 27012787   | 
| Human Urine | Detected and Quantified |  |  | 10 | 20 | umol/mmol creatinine | Adult (>18 years old) | Male | Normal | HMDB | 27012787   | 
| Human Blood | Detected and Quantified | <414 |  |  |  | uM | Newborn (0-30 days old) | Not Specified | Normal | HMDB | 26081641   | 
| Human Blood | Detected and Quantified | <500 |  |  |  | uM | Infant (0-1 year old) | Not Specified | Normal | HMDB | 172850   | 
| Human Saliva | Detected and Quantified | >10 |  |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 12097436   | 
| Human Saliva | Detected and Quantified |  |  | 1 | 263 | uM | Adult (>18 years old) | Male | normal | HMDB | 19259987   | 
| Human Saliva | Detected and Quantified |  |  | 1 | 65 | uM | Adult (>18 years old) | Male | normal | HMDB | 19259987   | 
| Human Urine | Detected and Quantified | 113.35  |  69.81 |  |  | umol/mmol creatinine | Infant (0-1 year old) | Both | Normal | HMDB | 2026685   | 
| Human Blood | Detected and Quantified |  |  | 134 | 502 | uM | Infant (0-1 year old) | Not Specified | Normal | HMDB | 24341803   | 
| Human Feces | Detected and Quantified | 137.272  |  93.0486 |  |  | nmol/g wet feces | Not Specified | Not Specified | Normal | HMDB | 19573517   | 
| Human Urine | Detected and Quantified |  |  | 14 | 133 | umol/mmol creatinine | Infant (0-1 year old) | Both | Normal | HMDB | 30830347   | 
| Human Saliva | Detected and Quantified | 14.0  |  3.1 |  |  | uM | Adult (>18 years old) | Male | Normal | HMDB | 21164041   | 
| Human Blood | Detected and Quantified |  |  | 140  |  460 | uM | Children (1 - 13 years old) | Not Specified | Normal | HMDB | 1481808   | 
| Human Urine | Detected and Quantified | 15.7  |  14.7 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 31775291   | 
| Human Saliva | Detected and Quantified | 17.4  |  4.9 |  |  | uM | Adult (>18 years old) | Male | Normal | HMDB | 21164041   | 
| Human Urine | Detected and Quantified |  |  | 172.585 | 558.364 | umol/mmol creatinine | Infant (0-1 year old) | Both | Normal | HMDB | 12376931   | 
| Human Blood | Detected and Quantified |  |  | 174 | 375 | uM | Children (1-13 years old) | Not Specified | Normal | HMDB | 28649521   | 
| Human Saliva | Detected and Quantified | 19.2  |  5.6 |  |  | uM | Adult (>18 years old) | Male | Normal | HMDB | 21164041   | 
| Human Urine | Detected and Quantified | 19.46  |  5.32 |  |  | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | 15992788   | 
| Human Saliva | Detected and Quantified | 20.7  |  6.4 |  |  | uM | Adult (>18 years old) | Male | Normal | HMDB | 21164041   | 
| Human Urine | Detected and Quantified | 21.7  |  | 7.2 | 47.4 | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | 24023812   | 
| Human Urine | Detected and Quantified | 21.8  |  | 7.1 | 43.1 | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | 24023812   | 
| Human Saliva | Detected and Quantified | 23  |  | 4 | 116 | uM | Adult (>18 years old) | Male | Normal | HMDB | 19259987   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified |  |  | 23.0 | 39.5 | uM | Children (1-13 years old) | Not Specified | Normal | HMDB | 27912044   | 
| Human Breast milk | Detected and Quantified | 231  |  67.2 |  |  | uM | Adult (>18 years old) | Female | Normal | HMDB | 24027187   | 
| Human Blood | Detected and Quantified |  |  | 240 | 600 | uM | Children (1-13 years old) | Not Specified | Normal | HMDB | 25691415   | 
| Human Saliva | Detected and Quantified | 25  |  | <1 | 81 | uM | Adult (>18 years old) | Female | Normal | HMDB | 19259987   | 
| Human Blood | Detected and Quantified | 254  |  78 |  |  | uM | Children (1 - 13 years old) | Female | Normal | HMDB | 2587127   | 
| Human Blood | Detected and Quantified | 255  |  78 |  |  | uM | Infant (0-1 year old) | Both | Normal | HMDB | 7623444   | 
| Human Saliva | Detected and Quantified | 26  |  | 7 | 137 | uM | Adult (>18 years old) | Male | Normal | HMDB | 19259987   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 26.3  |  7.4 |  |  | uM | Adult (>18 years old) | Not Specified | Normal | HMDB | 6198473   | 
| Human Urine | Detected and Quantified | 260.04  |  90.45 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 19468821   | 
| Human Feces | Detected and Quantified | 2660  |  1870 |  |  | nmol/g wet feces | Adult (>18 years old) | Both | Normal | HMDB | 27624970   | 
| Human Saliva | Detected and Quantified | 27  |  | <1 | 96 | uM | Adult (>18 years old) | Male | Normal | HMDB | 19259987   | 
| Human Urine | Detected and Quantified |  |  | 27 | 350 | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 31506554   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 27.0  |  | 10.0 | 44.0 | uM | Adult (>18 years old) | Both | Normal | HMDB | 7729054   | 
| Human Sweat | Detected and Quantified |  |  | 270 | 590 | uM | Adult (60 years old) | Male | Normal | HMDB | 22194922   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified |  |  | 28.5 | 38.0 | uM | Newborn (0-30 days old) | Not Specified | Normal | HMDB | 27912044   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 30.8  |  8.7 |  |  | uM | Adult (>18 years old) | Not Specified | Normal | HMDB | 6198473   | 
| Human Blood | Detected and Quantified | 319.4  |  71.7 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 28278231   | 
| Human Urine | Detected and Quantified |  |  | 32.25 | 147.8 | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 32340350   | 
| Human Blood | Detected and Quantified | 320  |  87  |  |  | uM | Adult (>18 years old) | Male | Normal | HMDB | 2415198   | 
| Human Urine | Detected and Quantified | 33.5  |  14.0 |  |  | umol/mmol creatinine | Adult (>18 years old) | Male | Normal | HMDB | 17474139   | 
| Human Blood | Detected and Quantified | 333.0  |  | 259.0 | 407.0 | uM | Adult (>18 years old) | Both | Normal | HMDB | 12297216   | 
| Human Urine | Detected and Quantified | 34.3  |  11.5 |  |  | umol/mmol creatinine | Adult (>18 years old) | Female | Normal | HMDB | 17474139   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 37.8  |  6.8 |  |  | uM | Adult (>18 years old) | Not Specified | Normal | HMDB | 15911239   | 
| Human Urine | Detected and Quantified | 395.71  |  146.98 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 19468821   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 4.23  |  0.64 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 7595563   | 
| Human Urine | Detected and Quantified |  |  | 41 | 130 | umol/mmol creatinine | Children (1-13 years old) | Not Specified | Normal | HMDB | 24341803   | 
| Human Blood | Detected and Quantified | 427.2  |  84.4 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 21359215   | 
| Human Blood | Detected and Quantified | 444.61 | 116.67 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 26010610   | 
| Human Feces | Detected and Quantified | 4451.518  |  2351.470 |  |  | nmol/g wet feces | Not Specified | Not Specified | Normal | HMDB | 20669995   | 
| Human Blood | Detected and Quantified | 448.89 | 115.71 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 26010610   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 46  |  27 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 18502700   | 
| Human Blood | Detected and Quantified | 465.7 |  | 395.5 | 592.1 | uM | Children (1-13 uears old) | Both | Normal | HMDB | 27294788   | 
| Human Saliva | Detected and Quantified | 57.54  |  42.59 |  |  | uM | Adult (>18 years old) | Female | Normal | HMDB | 23857558   | 
| Human Blood | Detected and Quantified | 585.0  |  22.0 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | 16789974   | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified |  |  | 6 | 47 | uM | Children (1-13 years old) | Not Specified | Normal | HMDB | 24341803   | 
| Human Feces | Detected and Quantified | 600  |  470 |  |  | nmol/g wet feces | Adult (>18 years old) | Both | Normal | HMDB | 27624970   | 
| Human Urine | Detected and Quantified | 610.52  |  226.12 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 19468821   | 
| Human Urine | Detected and Quantified |  |  | 68 | 334 | umol/mmol creatinine | Infant (0-1 year old) | Both | Normal | HMDB | 30830347   | 
| Human Urine | Detected and Quantified | 70.70  |  24.41 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Female | Normal | HMDB | 32340350   | 
| Human Urine | Detected and Quantified | 79.85  |  30.57 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Male | Normal | HMDB | 32340350   | 
| Human Urine | Detected and Quantified | 8.1  |  2.0 |  |  | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | 3168222   | 
| Human Urine | Detected and Quantified | 8.5  |  2.8 |  |  | umol/mmol creatinine | Infant (6 months - <1 year old) | Both | Normal | HMDB | 3168222   | 
| Human Urine | Detected and Quantified | 8.8  |  2.2 |  |  | umol/mmol creatinine | Infant (1 - 6 months old) | Both | Normal | HMDB | 3168222   | 
| Human Urine | Detected and Quantified | 51 | 42.068 |  |  | umol/mmol creatinine | Children (1 - 13 years old) | Not Specified | Eosinophilic esophagitis | HMDB | Analysis of 30 normal pediatric urine samples via NMR spectroscopy (unpublished work) | 
| Human Urine | Detected and Quantified | 58.4882 | 31.7251 |  |  | umol/mmol creatinine | Children (1 - 13 years old) | Not Specified | Eosinophilic esophagitis | HMDB | Analysis of 30 normal pediatric urine samples via NMR spectroscopy (unpublished work) | 
| Human Saliva | Detected and Quantified | 23.0 | 8.42 |  |  | uM | Adult (>18 years old) | Both | Temporomandibular joint disorder (TMD) | HMDB | Sugimoto et al. (2013) Physiological and environmental parameters associated with mass spectrometry-based salivary metabolomic profiles.  | 
| Human Urine | Detected and Quantified | 65.012 | 27.635 |  |  | umol/mmol creatinine | Children (1 - 13 years old) | Not Specified | Normal | HMDB | Analysis of 30 normal pediatric urine samples via NMR spectroscopy (unpublished work) | 
| Human Urine | Detected and Quantified | 73.1768 | 22.3291 |  |  | umol/mmol creatinine | Children (1 - 13 years old) | Not Specified | Normal | HMDB | Analysis of 30 normal pediatric urine samples via NMR spectroscopy (unpublished work) | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified |  |  | 10.5 | 49.5 | uM | Adolescent (>11 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified |  |  | 11 | 53.5 | uM | Children (0 - 10 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Blood | Detected and Quantified |  |  | 134 | 416 | uM | Infant (1 - 3 months old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Blood | Detected and Quantified |  |  | 148 | 475 | uM | Children (3 months - 6 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 16.05 | 77.33 | umol/mmol creatinine | Adolescent (13 - 21 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 16.05 | 77.33 | umol/mmol creatinine | Adult (>21 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 16.96 | 105.48 | umol/mmol creatinine | Children (4 - 13 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Blood | Detected and Quantified |  |  | 193 | 545 | uM | Children (6 - 18 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 35.95 | 132.73 | umol/mmol creatinine | Children (2 - 4 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 39.57 | 187.91 | umol/mmol creatinine | Infant (6 months - <1 year old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 45.45 | 150.26 | umol/mmol creatinine | Children (1 - 2 years old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 81.97 | 239.91 | umol/mmol creatinine | Infant (1 - 6 months old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 85.59 | 284.69 | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Blood | Detected and Quantified |  |  | 97 | 455 | uM | Newborn (0-30 days old) | Both | Normal | HMDB | BC Children's Hospital Biochemical Genetics Lab | 
| Human Urine | Detected and Quantified |  |  | 16.84 | 56.15 | umol/mmol creatinine | Adult (>18 years old) | Both | Normal | HMDB | David F. Putnam Composition and Concentrative Properties of Human Urine. NASA Contractor Report. July 1971 | 
| Human Urine | Detected and Quantified | 12.3 | 5.6 |  |  | umol/mmol creatinine | Children (1-13 years old) | Male | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Urine | Detected and Quantified | 152.67 |  | 69.78 | 235.56 | umol/mmol creatinine | Newborn (0-30 days old) | Both | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Urine | Detected and Quantified | 22.0 | 10.0 |  |  | umol/mmol creatinine | Adult (>18 years old) | Female | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Urine | Detected and Quantified | 22.0 | 11.0 |  |  | umol/mmol creatinine | Adult (>18 years old) | Male | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Cerebrospinal fluid (csf) | Detected and Quantified | 23.2 | 5.1 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Blood | Detected and Quantified | 369.0 | 88.0 |  |  | uM | Children (1-13 years old) | Female | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Blood | Detected and Quantified | 375.0 | 50.0 |  |  | uM | Newborn (0-30 days old) | Not Specified | Normal | HMDB | Geigy Scientific Tables, 8th Rev edition, pp. 130. Edited by C. Lentner, West Cadwell, N.J.: Medical education Div., Ciba-Geigy Corp. Basel, Switzerland c1981-1992. | 
| Human Urine | Detected and Quantified | 18.72 |  |  |  | umol/mmol creatinine | Adult (>18 years old) | Male | Normal | HMDB | Shaykhutdinov RA, MacInnis GD, Dowlatabadi R, Weljie AM, Vogel HJ.  Quantitative analysis of metabolite concentrations in human urine samples using 13C{1H} NMR spectroscopy.  Metabolomics.  2009 | 
| Human Saliva | Detected and Quantified | 17.0 | 9.27 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | Sugimoto et al. (2013) Physiological and environmental parameters associated with mass spectrometry-based salivary metabolomic profiles.  | 
| Human Saliva | Detected and Quantified | 18.8 | 20.4 |  |  | uM | Adult (>18 years old) | Female | Normal | HMDB | Sugimoto et al. (2013) Physiological and environmental parameters associated with mass spectrometry-based salivary metabolomic profiles.  | 
| Human Saliva | Detected and Quantified | 30.5 | 39.6 |  |  | uM | Adult (>18 years old) | Female | Normal | HMDB | Sugimoto et al. (2013) Physiological and environmental parameters associated with mass spectrometry-based salivary metabolomic profiles.  | 
| Human Saliva | Detected and Quantified | 145.27 | 108.41 |  |  | uM | Adult (>18 years old) | Both | Normal | HMDB | https://doi.org/10.1007/s11306-015-0840-5 | 
| Human Blood | Detected and Quantified |  |  | 200.0 | 580.0 | uM | Adult (>18 years old) | Both | Normal | HMDB | Molecular You (https://molecularyou.com) | 
| Human Urine | Detected and Quantified |  |  | 10.52 | 340.09 | umol/mmol creatinine | Infant (0-1 year old) | Not Specified | Normal | HMDB | Mayo Clinic (https://neurology.testcatalog.org/show/AAPD) | 
| Human Urine | Detected and Quantified |  |  | 11.42 | 169.68 | umol/mmol creatinine | Children (1-13 years old) | Not Specified | Normal | HMDB | Mayo Clinic (https://neurology.testcatalog.org/show/AAPD) | 
| Human Urine | Detected and Quantified |  |  | 4.98 | 92.078 | umol/mmol creatinine | Children (1-13 years old) | Not Specified | Normal | HMDB | Mayo Clinic (https://neurology.testcatalog.org/show/AAPD) | 
| Human Urine | Detected and Quantified |  |  | 5.77 | 78.73 | umol/mmol creatinine | Adolescent (13-18 years old) | Not Specified | Normal | HMDB | Mayo Clinic (https://neurology.testcatalog.org/show/AAPD) | 
| Human Urine | Detected and Quantified |  |  | 6.33 | 58.60 | umol/mmol creatinine | Adult (>18 years old) | Not Specified | Normal | HMDB | Mayo Clinic (https://neurology.testcatalog.org/show/AAPD) | 
| Human Urine | Detected and Quantified |  |  | 7.24 | 146.94 | umol/mmol creatinine | Children (1-13 years old) | Not Specified | Normal | HMDB | Mayo Clinic (https://neurology.testcatalog.org/show/AAPD) | 
| Human All tissues | Detected but not Quantified |  |  |  |  |  | Not Specified | Not Specified | Normal | HMDB | 34986597   | 
| Human Placenta | Detected but not Quantified |  |  |  |  |  | Not Specified | Not Specified | Normal | HMDB | 34986597   | 
| Human Prostate | Detected but not Quantified |  |  |  |  |  | Not Specified | Not Specified | Normal | HMDB | 34986597   | 
| Human Urine | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 24023812   | 
| Human Urine | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 16939360   | 
| Human Urine | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 16939360   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 20300169   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 22308371   | 
| Human Saliva | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 21190195   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 17269711   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 18052033   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 19006102   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Not Specified | Not Specified | Normal | HMDB | 19573517   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Not Specified | Not Specified | Normal | HMDB | 20669995   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 21330412   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 21761941   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Not Specified | Not Specified | Normal | HMDB | 22944170   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 23940645   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 24029555   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Female | Normal | HMDB | 26709303   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Not Specified | Both | Normal | HMDB | 25486321   | 
| Human Blood | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 22800120   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 18085514   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Children (1-13 years old) | Both | Normal | HMDB | 24130822   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 25598765   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 27065191   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 27107423   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Children (6 - 18 years old) | Both | Normal | HMDB | 27609529   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Children (6 - 18 years old) | Not Specified | Normal | HMDB | 27609529   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Not Specified | Normal | HMDB | 27622378   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Male | Normal | HMDB | 28270806   | 
| Human Sweat | Detected but not Quantified |  |  |  |  |  | Adult  | Both | Normal | HMDB | 26755145   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 28842642   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 27543620   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 25037050   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Not Specified | Normal | HMDB | 25985090   | 
| Human Feces | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 29808030   | 
| Human Urine | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 32966057   | 
| Human Blood | Detected but not Quantified |  |  |  |  |  | Adult (>18 years old) | Both | Normal | HMDB | 32966057   |