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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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Current Post June 17, 2026
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High-Risk Disease Claims Trigger Warning Letter

Understanding the nuances of compliance is essential to marketing

Any product marketed online is “fair game” for FDA enforcement. In this warning letter, a dietary supplement company was cited for making disease claims. Let’s see what we can learn. From warning letter. “Bromelain: Has anti-inflammatory properties” Asa comments: I categorize “anti-inflammatory” as a medium risk ...

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Asa Waldstien the author of Warning letter Wednesday

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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