The list is vast, and includes atamestane, bolazene, clostebol acetate, drostanolone, epostane, furazabol, metribolone, norclostebol, oxabolone, propentradol, quinbolone, roxibolone, stanalone, and triolostane.
Steroidal hormones (e.g. testosterone).
Development of muscle tissue.
Tablets and injectable liquid in bottles or ampoules (video).
In treatments for anaemia, bone disease, breast cancer, and hormone therapy.
Enhanced muscle mass, greater physical definition.
In men, sterility/impotence, shrinking and hardening of the testicles, breast enlargement.
In women, enlarged clitoris, disruption to menstrual cycle, growth of facial hair, acne, deepening of the voice. If used when pregnant risk of severe damage to foetus.
Mood swings, tolerance, fatal overdose.
Dependence, liver damage, heart disease, paranoia, increased aggression sometimes known as 'roid rage'.
Legal to possess, illegal to supply without a prescription, Class C under the Misuse of Drugs Act (1971).
How is it taken?
Orally, intramuscular injection. Steroids should never be injected into a vein.
If injected, needles and syringes.
A selection of containers for tablets and ampoules.
Video of anabolic steroids.
Where does it come from?
Diverted from pharmaceutical industry or imported into Britain.
For those suffering psychological problems, counselling agencies may be appropriate. There are only a handful of specialist drugs in sport services - phone the National Drugs Helpline for local information.