| Price | $1.33–$7.50 per dose | $5 for a 30-day supply | $7–$9 per dose |
| FDA approval | Yes | Yes | Yes |
| Shipping time | Two to five business days | Within four business days | Four to seven business days |
| Consultation price | Free | Varies | Free for the first meeting, $15 after that |
| Doses available | 2.5 and 5 mg | 2.5, 5, 10, 20 mg | 5, 10, 20 mg |
