Warning letter · FDA Warning Letters, Historical Archive

Peterson Research Laboratories LLC: FDA Warning Letter 607439 (Oct 23, 2020)

Agency action: Oct 23, 2020Record ID: fda_warning_-638724f2cafd6d9a
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What happened

Original notice title

Peterson Research Laboratories LLC MARCS-CMS 607439, October 23, 2020

From the archived source record

Based on our review, this product is an unapproved new drug 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, this product is a misbranded drug 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 websites that establish the intended use of your product and misleadingly represent it as safe and/or effective for the treatment or prevention of COVID-19 include: “Simple Silver (Colloidal Silver) with ionic solubility technology is a dietary supplement that has ionic solubility that may supports the Immune system ability to fight off and kill nasty pathogens that can cause illnesses inside and outside the body such as: CORONAVIRUS (COVID-19) . . . Try it today! . . . link in bio” [from a February 28, 2020 post on your social media website www.facebook.com/Hairreau] You should take immediate action to correct the violations cited in this letter. This letter is not meant to be an all-inclusive list of violations that exist in connection with your products or operations. We advise you to review your websites, product labels, and other labeling and promotional materials to ensure that you are not misleadingly representing your products as safe and effective for a COVID-19-related use for which they have not been approved by FDA and that you do not make claims that misbrand the products in violation of the FD&C Act. Within 48 hours, please send an email to COVID-19-Task-Force-CFSAN@fda.hhs.gov describing the specific steps you have taken to correct these violations. Include an explanation of each step being taken to prevent the recurrence of violations, as well as copies of related documentation.

What the official notice says to do

Check the original notice for the instructions that apply to the named product, company, and affected lots.

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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
2e22efdf0c01

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 →

What is affected

Product
Simple Silver
Company
Peterson Research Laboratories LLC
Lot / identifier
The source does not specify this field.
Market / distribution
The source does not specify this field.