Active Life: 9 hours
Detection Time: 2 months
Chemical structure: 9-Fluoro-17α-methyl-11β,17β-dihydroxyandrost-4-en-3-one
Dosage: 10mg
Appearance: 100 tablets

Halotestin is a Testosterone derivative whereby it has undergone several modifications. Halo possesses an added methyl group on the 17th carbon (known as carbon 17-alpha). It is also halogenated at carbon 9-alpha. Halogenation refers to the reaction of an organic compound (in this case, Testosterone) with a halogen, usually resulting in said halogen becoming bound to the compound. A halogen refers to a specific category of 5 related elements on the periodic table (Fluorine, Chlorine, Bromine, Iodine, and Astatine). In Halotestin’s case, this is essentially Testosterone that has been halogenated with Fluorine (as a fluoro group) whereby the Fluorine atom has been bound to carbon 9-alpha. The final modification that Halotestin possesses is its addition of a hydroxyl group (an oxygen atom bound to a hydrogen atom) at carbon 11-beta on the Testosterone molecule.

The addition of the methyl group at carbon 17-alpha is what grants the hormone with the ability to survive metabolism in the liver, and therefore allow the hormone to be ingested orally and have the majority of the hormone successfully reach the blood stream to do its job in the body. Unfortunately it is this modification that also increases the hepatotoxicity (liver toxicity) of the anabolic steroid due to the fact that this modification allows the hormone to become further resistant to hepatic metabolism, and when a substance becomes further resistant to hepatic metabolism, increased liver strain and toxicity results