It is manufactured by the best derma company, Aethicz Derma
After a lot of searching I found another lab company that offers a competitive panel of micronutrient tests: Vibrant America (a start up in San Carlos, California, just down the road from me.) Vibrant America just opened its doors in 2015 (so, it's new and somewhat flakey
If the expected concentration of total glutathione in the sample is 25 mol/l or lower, the GSH standard solution can be further diluted from 25 mol/l by following the procedure above and then incubate at room temperature for 20-30 minutes after adding Substrate working solution
Phosphate has historically been associated with poor outcomes in patients with APAP hepatotoxicity, with early studies showing an association between low phosphate levels and increased morbidity and mortality
Kava: a comprehensive review of efficacy, safety, and psychopharmacology