Norbolethone is a 19-nor anabolic steroid first synthesized in 1966. During the 1960s it was administered to humans in efficacy studies concerned with short stature and underweight conditions. It has never been reported by doping control laboratories prior to 2001. Norbolethone matches the description for what is described as a "designer steroid. " In fact, Norbolethone was given in clinical trials over 30 years ago and never given the green light. No supply was ever manufactured, and no test was ever developed to detect this substance, yet ironically, it was suspected of being used in the 2000 Olympics based on blood and urine assays done by the IOC. Norbolethone was used in the treatment of idiopathic underweight, prevention of indomethacin-induced intestinal ulcers.

EQUOL, (-)- is the (S)-enantiomer of the naturally-occurring isoflavandiol estrogen, equol. EQUOL, (-)- (US-131), is a first-in-class, nonsteroidal, nonhormonal, small molecule (S-equol) that has higher selectivity toward estrogen receptor β (ERβ) than to estrogen receptor α (ERα). S-equol is the exclusive product of human intestinal bacterial synthesis from soy isoflavones. Two-Phase 1 studies have seen completed and published; AUS-131 was safe and well-tolerated in humans. A Phase 2a trial in menopausal women with vasomotor symptoms (VMS) has recently been completed (169 patients). A second Phase 2a trial in men with benign prostatic hyperplasia (BPH) is on track.

Gestadienol is a steroidal progestin that has never been marketed. Information about the current use of this compound is not available.

Devazepide (L-364718 or MK-329) is a nonpeptide antagonist for the peripheral (type-A) cholecystokinin (CCK) receptor, which has proved effective in blocking the actions of both exogenous and endogenous CCK in several species. It is an orally active antagonist of CCK-stimulated pancreaticobiliary output in man. Devazepide has been developing for the treatment of anxiety, cancer, neuropathic pain however development discontinued.

Prazarelix is gonadorelin (GnRH) antagonist. It is primarily used in assisted reproduction to control ovulation. The drug works by blocking the action of GnRH upon the pituitary, thus rapidly suppressing the production and action of luteinizing hormone (LH) and follicle-stimulating hormone (FSH).

Stenbolone is an anabolic–androgenic steroid of the dihydrotestosterone group patented by Schering AG but never marketed. Ester prodrug of stenbolone is used as an anabolic–androgenic steroid for depot intramuscular injection under the brand names Anatrofin and Stenobolone.

Mebolazine is an androgenic anabolic steroid.

Lutrelin is an agonist of gonadotropin-releasing hormone receptor exerting antineoplastic properties.

Ibutamoren (L-163,191 MK-0677) is a spiropiperidine agonist of the ghrelin receptor and a growth hormone secretagogue. Ibutamoren mimics the actions of growth hormone releasing peptide-6 to increase serum levels of serum insulin-like growth factor-I (IGF-I). Orally active Ibutamoren was being developed by Merck & Co. for a variety of indications, including fibromyalgia, muscle wasting/weakness in patients with chronic kidney disease, Alzheimer's disease and fractures.However, there has been no recent development reported or development has been discontinued for these indications.