Trace amounts of N-Nitroso N-Methyl 4-amino butyric acid (NMBA) were found in 87 lots of the drug.

NMBA is a potential human carcinogen. To date, there have been no reports of adverse reactions related to the recall.


If you find that your prescription medicine is on the list, you can contact Camber Pharmaceuticals’ Med Line at 1-866-495-1995 Monday – Friday, 9am – 5pm EST.

It is recommended that you contact your physician or healthcare provider if you have experienced any problems that may be related to taking this product.


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