S.P.Labs, Thyroid, Full Strength, Rx only, For Manufacturing, Processing or Repackaging Use Only, Specialty Process Labs, Phoenix, AZ 85034, NDC 81305-500-01.
Failed Stability Specifications
U.S. Nationwide.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0446-2024