How long does kratom and 7-OH stay in the system?

The effects of products sold as kratom or 7-OH can last for several hours, depending on how much is consumed.

Lack of research makes it difficult to know how long these drugs stay in the body and could result in a positive drug test. Most standard drug tests do not currently test for kratom or 7-OH.

Reviewed and updated by Dr. Sheila P. Vakharia on 04/01/2026.

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