FDA Warning Letter Explorer
Drugs · Letter issue date: Oct 26, 2026

Phuoc Loc Tho Herbals, Inc.

4 extracted findings

FDA source excerpt, selected passage

“Toa Cot Than Kinh Cot Thich Hoan,” “Gai Cot Hoan,” and “Professor’s Pill” are unapproved new drugs under section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. 355(a).

Findings and supporting evidence

Model-assisted readings, not an exhaustive interpretation. Compare with the extracted source findings below.

Findings extracted from the letter

Selected FDA passages, not the complete letter.

01
“Toa Cot Than Kinh Cot Thich Hoan,” “Gai Cot Hoan,” and “Professor’s Pill” are unapproved new drugs under section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. 355(a).
02
Based on a review of your website, “Toa Cot Than Kinh Cot Thich Hoan,” “Gai Cot Hoan,” and “Professor’s Pill” are drugs under section 201(g)(1) of the FD&C Act, 21 U.S.C. 321(g)(1), because they are intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease, and/or intended to affect the structure or any function of the body.
03
“Toa Cot Than Kinh Cot Thich Hoan,” “Gai Cot Hoan,” and “Professor’s Pill” are “new drugs” under section 201(p) of the FD&C Act, 21 U.S.C. 321(p), because they are not generally recognized as safe and effective (GRASE) for use under the conditions prescribed, recommended, or suggested in their labeling.
04
While the Agency has not sampled and tested these product variations from your inventory to date, this letter expresses our serious concern about the safety of these products.

Sections and clauses cited

As cited in this historical letter, not a statement of current regulatory requirements.

Keep exploring

For regulated teams

Put this kind of reading to
work on your own records.

Botable builds and runs a custom AI layer around the software you already use, so your team can do the job you hired them for.

FDA Warning Letter Alerts

Share this view

Send the same filters, search and view to a colleague.

You choose what to post or send. Sharing a link does not change access to this site.