Congeners

Congeners are impurities in alcoholic beverages that are formed during the fermentation process or metals that are additives to enhance flavor. While there are a variety of definitions, this page focuses on Congeners in terms of alcoholic beverages.

Fast Facts:

  1. Contribute to hangover
  2. Darker alcohol, more congeners

Disclaimer: The content in this page is not a substitute for professional medical advice. Please contact for more information on Congeners.

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