Last month, extended release (ER) Metformin―an oral diabetes medicine that helps control blood sugar levels―joined a small-but-expanding list of prescription drugs, including Valsartan (for blood pressure) and Zantac (for heartburn), that were recalled by manufacturers because it may contain amounts of N-nitrosodimethylamine (NDMA) above the acceptable intake limit.
NDMA is a semi-volatile, odorless yellow oil that can form naturally or unintentionally through industrial processes, and is also found naturally at low levels in many foods, such as roasted meats, cheese, and beer, because of cooking …
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