If you read my book Doctors and Distillers you know that cure-all theriacs often contained viper flesh. Now one person has recreated a recipe for a branded theriac called L’Orvietan, with everything but the snake.

An Italian Cure-All Experiences a Comeback
With ingredients ranging from accepted herbal treatments to burnt viper’s flesh, L’Orvietan was the 17th-century remedy of choice for commoners and kings.
discovermagazine.com