Alprazolam (Xanax)

Price range: £150.00 through £2,500.00
Available Dosage: 2mg
Onset of action: 30~60 minutes
Duration of action: : Instant-: 6 hours; Extended-: 11.3 hours;
Metabolites: α-hydroxyalprazolam; 4-hydroxyalprazolam
Routes of administration: By mouth
Metabolism: Liver, via cytochrome P450 3A4

Ecstasy (Molly)

Price range: £100.00 through £300.00
Bioavailability: Oral: Unknown
Dependence liability: Physical: Not typical; Psychological: Moderate
Duration of action: 4–6 hours
Elimination half-life: : MDMA: 8.7 (range 4.6–16) hours; (S)-MDMA: 5.1 (range 3.5–7.4) hours; (R)-MDMA: 11 (range 5.1–24) hours;
Excretion: Kidney

Oxycontin

Price range: £160.00 through £5,000.00
Pronunciation: ox-e-KON-tin Generic name: oxycodone Dosage form: extended-release tablets (10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 60 mg, 80 mg) Drug class: Opioids (narcotic analgesics)

Sildenafil (Viagra)

Price range: £120.00 through £6,000.00
Available Dosage: 25mg, 50mg, 100mg
Pronunciation: /sɪlˈdɛnəfɪl/ sil-DEN-ə-fil
Onset of action: 20 minutes
Metabolism: Liver: CYP3A4 (major route), CYP2C9 (minor route)
Pregnancy category: : AU: B1;
AHFS/Drugs.com: Monograph
ATC code: G04BE03 (WHO)
Bioavailability: 41% (mean)