| Brand | GSL |
|---|---|
| Type | Cortisol Self-Test |
| Sample Type | Blood |
| Manufacturer Warranty | 1 Year |
| Model | LC/MS |
| Country of Origin | United States |
Check the listing for details. GSL Vitamin D Blood Home Test Kit, LCMS Assay. Condition: New, Made in United States. Listed at 199.99 USD. Vitamin D plays roles in bone health, immune function, and overall wellness. Samples are analyzed by LC-MS/MS for accurate quantitation. 🏥 Why GSL Lab?. Anyone curious about their vitamin D status throughout the year.