Collection

19-nors

“19-nor” steroids, which lack one carbon atom of testosterone. They also act on progesterone receptors.

2 compounds

Educational only. A summary of published research, not medical advice or a recommendation. No doses are listed.

19-nors (2)

  • Nandrolone

    Previously approved

    Anabolic steroids · Early or small human studies

    An injectable steroid closely related to testosterone (a “19-nor” steroid), once used medically to treat anemia and muscle wasting.

  • Trenbolone

    Veterinary only

    Anabolic steroids · Mostly animal & lab studies

    A veterinary steroid made for cattle, known for strong effects on muscle and fat and for frequent, severe side effects.

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