Will Wild Lettuce Show Up on a Drug Test? Understanding the Facts About Lactucarium
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4 min read
The milky white sap of wild lettuce, called lactucarium, is chemically distinct from controlled substances, meaning it will not cause a positive result on a drug test. Despite its folk name, "opium lettuce," this herbal remedy's compounds do not contain opiate alkaloids or other illicit substances detected by standard drug screenings.