Dosing Guide — 2026-11-10
PT-141 (bremelanotide) is a melanocortin-receptor peptide studied for libido and arousal. It's an as-needed compound — dosed before intended activity rather than on a daily schedule — and comes in both an injectable vial and a ready-to-use nasal spray. This guide covers both. The numbers match our PT-141 10mg and PT-141 spray protocol pages.
Researcher special: code SAVE25 or PLATINUM25 unlocks 25% off the PT-141 10mg vial, the PT-141 nasal spray, and bacteriostatic water. Every vial ships with a batch-matched COA at 99%+ HPLC purity.
Standard reconstitution: add exactly 1 mL bacteriostatic water.
| Metric | Value |
| Peptide | 10 mg |
| Bac water | 1 mL |
| Concentration | 10 mg/mL |
| Per 10 units | 1 mg |
| Per 20 units | 2 mg |
Dose: 1 mg (10 units) or 2 mg (20 units), 30–60 minutes before intended activity. Start at 10 units to assess tolerance, then move up if needed.
The spray is pre-mixed and ready to use — no reconstitution, no syringes.
Prime the pump with a few test sprays before first use, then refrigerate.
PT-141 is an as-needed compound — no formal cycling is usually required. Use it acutely before an intended window rather than on a fixed daily schedule.
PT-141 can temporarily raise blood pressure, and may cause nausea or flushing. Key notes:
The vial gives precise dose control (10 vs 20 units); the nasal spray is the easiest option — no mixing, no needles. For the research background, see the PT-141 melanocortin research overview. Refrigerate the reconstituted vial and use within 4 weeks; keep the spray refrigerated and use within the timeframe on the bottle.
Disclaimer: All information presented in this article is for educational and informational purposes only. Platinum Biolabs does not promote or endorse the use of peptides for human consumption. All products sold by Platinum Biolabs are intended strictly for laboratory and research use only. Consult a qualified healthcare professional before making any health-related decisions.