Randox Mg R1 - Product Usage: For the quantitative in vitro determination of Magnesium in serum, plasma and urine Catalogue Number: MG3880
Failing to meet the linearity performance claims quoted on the kit inserts-The linearity is reduced by approximately -30% for Serum/ Plasma and -50% for Urine
US Nationwide distribution in the states of GA, NJ.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0546-2021