| Brand | GSL |
|---|---|
| Type | Cortisol Self-Test |
| Sample Type | Urine |
| Manufacturer Warranty | 1 Year |
| Model | LC-MS |
| Country of Origin | United States |
Check the listing for details. GSL Creatinine Urine Home Kidney Function Test Kit. Condition: New, Made in United States. Listed at 43.99 USD. Samples are analyzed with UPLC-MS/MS. Anyone using multiple GSL urine tests and wanting accurate creatinine normalization. Those curious about urine creatinine as part of kidney wellness. 🏥 Why GSL Lab?.