See Asa at Microbiome & Probiotic R&D & Business Collaboration Forum - La Jolla, California 10/13/2025

Warning Letter Wednesday Posts

A weekly exploration of FDA warning letters and enforcement trends


June 21, 2023
Takeaway -

Small business learning lessons

June 7, 2023
Takeaway -

Ensure substantiation is suitable for each claim

May 24, 2023
Takeaway -

Product names are marketing

May 17, 2023
Takeaway -

Ensure weight loss products are tested for drugs

May 10, 2023
Takeaway -

“Arthritis” claims elevate risk

May 3, 2023
Takeaway -

Ensure ingredients are lawful for supplements

April 26, 2023
Takeaway -

Re-review marketing if FDA has inspected you

April 12, 2023
Takeaway -

All dietary ingredients must be tested for identity