What happened
Original notice title
Cathay Natural, LLC MARCS-CMS 606161, April 06, 2020
From the archived source record
Based on our review, these products are unapproved new drugs sold in violation of section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. § 355(a). Furthermore, these products are misbranded drugs under section 502 of the FD&C Act, 21 U.S.C. § 352. We request that you take immediate action to cease the sale of such unapproved and unauthorized products for the mitigation, prevention, treatment, diagnosis, or cure of COVID-19. Some examples of the claims on your website that establish the intended use of your products and misleadingly represent them as safe and/or effective for the treatment or prevention of COVID-19 include: “Chinese Medicine treatments for Coronavirus Disease . . . How can we prepare for Coronavirus Disease 2019 (COVID-19)?” [from your website [see original source] “Surprisingly, several hospitals designated for mild-moderate COVID-19 patients that are dominated by and fully implemented with Traditional Chinese Medicine (TCM) treatments reported zero medical worker infection and very low or zero conversion rate to severe cases. This was in vast contrast with significant medical worker infections and about 15-20% conversion to sever [ sic ] cases in certain hospitals that do not use the TCM treatments. Such a big contrast let [ sic ] many frontline doctors to call for mandatory implementation of Chinese herbal medicine treatments, which eventually become part of the CDC official guide for diagnosis and treatment of COVID-19 in China.” [from your website [see original source] “[S]ome senior chief physicians in charge of many frontline doctors in multiple hospitals simultaneously . . . were surprised to see the great outcome with TCM. . . . [T]hose senior physicians . . . eventually became the ones who strongly called for implementation of TCM in the prevention and treatment of COVID-19 in China.
What the official notice says to do
Check the original notice for the instructions that apply to the named product, company, and affected lots.
Read the official notice →Status and source details
- Status recorded in the archive
- Historical warning letter; closeout not established by annual index
- Source checked
- Jul 16, 2026
- Record revision
- a9c173cd7ddc
This is a dated record. Its current status may have changed since the source was captured. A record applies to its stated scope; it is not a safety rating for every product from a company.
Sources, dates, and coverage →