FDA just issued a batch of 10 warning letters to companies selling the drug ketamine online. I am still surprised when I see drugs openly sold via standard e-commerce, and equally surprised that people actually purchase them. This group of warning letters highlights that there ...
Welcome to Warning Letter Wednesday®
A weekly exploration of FDA warning letters and enforcement trends
Every Wednesday Asa reviews interesting warning letters and other enforcement trends. He’s been writing this each week for 5 years, and it is a labor of regulatory love.
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Recent Warning Letter Wednesday Posts
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Jul 01
Dietary Supplement GMP Lessons
The warning letter covers manufacturing equipment flaws, theoretical yields, incomplete 483 responses, missing product specifications, and other issues. Fun reminders ...
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Jun 24
A Puzzling “Disease Claim” Letter Without High-Risk Claims
Today's WLW mentions claims in TikTok Shop, another Amazon letter, and a “disease-oriented” warning letter that does not include high-risk ...
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Jun 17
High-Risk Disease Claims Trigger Warning Letter
Any product marketed online is “fair game” for FDA enforcement. In this warning letter, a dietary supplement company was cited ...
Who is Asa Waldstein?
Asa Waldstein is a 24-year veteran of the dietary supplement industry, with experience spanning manufacturing, marketing, and regulatory compliance. He is the principal of Apex Compliance, a software company dedicated to streamlining regulatory marketing compliance for the dietary supplement and natural products sectors. Asa also leads Supplement Advisory Group, a boutique consultancy focused on marketing risk analysis, labeling, and practical compliance strategies for websites and social media. Asa has helped oversee three FDA GMP inspections with no 483s and was honored with the 2023 AHPA Herbal Hero Award and the 2024 What's Up Supps Policy and Change Agent Award. He currently serves as Chair of the American Herbal Products Association’s (AHPA) Technology & AI Innovation Committee.
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