Generic/Brand/ year FDA approved

Occurrence:

in vivo = natural-

In vitro = manmade

Preparation

Medical journal article

Biochemistry:

Raises FAI.

Lowers SHBG.

Anavar^®

Oxandrolone

1964

Synthetic AR-agonist

Oral

[29]

Raises FAI, testosterone. Lowers SHBG.

Danocrine^®

Danazol

1972

Synthetic AR-high affinity

Oral

[30]

Raises FAI.

Lowers SHBG. Binds SHBG displaces TT; 44% aromatase inhibitor

Deca-durabolin^®

Nandrolone

1962

natural

Intramuscular

[31]

Raises FAI.

Raises testosterone by displacing from AR

Testosterone

1939

natural

Intramuscular, oral, topical

[32]

Raises FAI.

Raises testosterone directly; may lower SHBG if not topical

Winstrol^®

Stanozolol

1982

Synthetic AR-high affinity

ER-agonist

Oral, intramuscular

[33]

Raises FAI.

Lowers SHBG.

only 5% bond SHBG