TriEnza Enzyme Supplement (National Enzyme Co) – Chloramphenicol Contamination (2013)
Class II: A situation in which use of, or exposure to, a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote
Class II recall indicates potential for temporary health effects.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Houston Enzymes TriEnza with DPP IV Activity, Broad-Spectrum Enzyme Product for general Digestive Support, packaged in 90-(SKU 53379) and 180-(SKU 53380) capsule bottles. The firm name on the label is Houston Nutraceuticals, Inc. (HNI), Siloam Springs, AR (2) 9212 TRIENZA Bulk Capsules (SKU 91980) packaged in varying quantities in poly bags within corrugated containers.
Brand
National Enzyme Co
Lot Codes / Batch Numbers
Lot Numbers: 53379030, 53379031, 53379032, 53379034, 53379035, 53379036, 53379037, 53379038, 53379039, 53379040, 53379041, 53380079, 53380081, 53380083, 53380085, 53380086, 53380087, 53380088, 53380089, 53380090, 53380091, 53380092, 53380093, 53380094, 53380095, 53380096, 53380097, 53380098, 53380099, 53380100, 53380101, 53380102, 53380103, 53380104, 53380105, 53380106, 53380107, 53380108, 53380109, 53380110, 53380111, 53380113, 53380114, 91980002, 91980003, and 91980004
Products Sold
Lot Numbers: 53379030, 53379031, 53379032, 53379034, 53379035, 53379036, 53379037, 53379038, 53379039, 53379040, 53379041, 53380079, 53380081, 53380083, 53380085, 53380086, 53380087, 53380088, 53380089, 53380090, 53380091, 53380092, 53380093, 53380094, 53380095, 53380096, 53380097, 53380098, 53380099, 53380100, 53380101, 53380102, 53380103, 53380104, 53380105, 53380106, 53380107, 53380108, 53380109, 53380110, 53380111, 53380113, 53380114, 91980002, 91980003, and 91980004
National Enzyme Co is recalling Houston Enzymes TriEnza with DPP IV Activity, Broad-Spectrum Enzyme Product for general Digestive Su due to Firm is recalling dietary supplements containing a raw material which may contain >0.3 ppb chloramphenicol. This is a Class I recall, indicating a high risk of serious health consequences. Based on FDA enforcement report.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Firm is recalling dietary supplements containing a raw material which may contain >0.3 ppb chloramphenicol
Recommended Action
Per FDA guidance
Consumers should stop using the product and contact the recalling firm or return it to the place of purchase.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 6, 2026