Magnesium Chloride, 6-Hydrate, Crystal, 500G per bottle, Bulk active pharmaceutical ingredient (API), Avantor Performance Materials, LLC, 100 Matsonford Road, Suite 200, Radnor, PA 19087, NDC 10106-2448-1
Subpotent drug
Nationwide in the USA, Belgium and France
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0488-2026