PT-141 10mg Dosage Protocol

Educational guide for reconstitution and administration of PT-141, a melanocortin receptor agonist studied for sexual function.

Quickstart Highlights

PT-141 dosage protocols focus on this synthetic melanocortin receptor agonist, studied for its effects on sexual arousal and function.

  • Reconstitute: Add 3.0 mL bacteriostatic water → ~3.33 mg/mL concentration
  • Typical protocols: 1–2 mg administered 1-2 hours before activity (subcutaneous/intranasal)
  • Easy measuring: At 3.33 mg/mL, 1 unit = 0.01 mL ≈ 33.3 mcg on a U-100 insulin syringe
  • Storage: Lyophilized: freeze at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) and use within 2–4 weeks

Dosing & Reconstitution Guide

Educational guide for reconstitution and daily dosing

Subcutaneous Protocol (2 mL = 5 mg/mL)

Phase Daily Dose (mcg) Units (per injection) (mL)
Weeks 1–8 500 mcg on-demand 15 units (0.15 mL)
Weeks 9–12 1000 mcg on-demand 30 units (0.30 mL)
Weeks 13–16 1500 mcg on-demand 45 units (0.45 mL)
FDA-approved 1750 mcg on-demand 53 units (0.53 mL)

Frequency: Inject once or twice daily subcutaneously. Due to the compound's plasma half-life of approximately 3.8–6.9 hours, twice-daily (BID) dosing may provide more sustained NNMT inhibition. Note: A single 10 mg vial provides only 2–4 days of research material at these doses.

Reconstitution Steps

  1. Remove the vial from freezer storage (−20 °C / −4 °F) and allow to equilibrate at room temperature for 15–20 minutes.
  2. Draw 2.0 mL bacteriostatic water with a sterile syringe.
  3. Inject slowly down the vial wall; avoid foaming.
  4. Gently swirl/roll until dissolved—solution should be clear (do not shake).
  5. Label and refrigerate at 2–8 °C (35.6–46.4 °F), protected from light; use within 2–4 weeks.

Biological Action

PT-141 represents a synthetic peptide analog of alpha-melanocyte-stimulating hormone, designed as a selective melanocortin receptor agonist.

As a melanocortin agonist, PT-141 binds to MC4R and MC1R receptors to influence neural pathways involved in sexual arousal and motivation.

PT-141 has been studied for its effects on sexual function and motivation in research contexts.

Potential Benefits & Side Effects

Findings from sexual medicine and neuroscience research.

Injection Technique

General subcutaneous guidance from clinical best-practice resources.

  1. Clean the vial stopper and skin with alcohol; allow to dry.
  2. Pinch a skinfold; insert the needle at 45–90° into subcutaneous tissue.
  3. Do not aspirate for subcutaneous injections; inject slowly and steadily.
  4. Rotate sites systematically (abdomen, thighs, upper arms) to avoid lipohypertrophy.
  5. Slow injection may minimize any stinging sensation associated with the compound.

Important Notes

Practical considerations for consistency and safety.

Important Disclaimer: This content is intended for educational purposes only and does not constitute medical advice, diagnosis, or treatment. This is not medical advice and is for informational purposes only. Always consult with a qualified healthcare professional before starting any new research protocol.

References

Nature Medicine (2014)
Nicotinamide N-methyltransferase knockdown protects against diet-induced obesity View Source
PMC (2024)
Nicotinamide N-methyltransferase inhibition mitigates obesity-related metabolic dysfunctions View Source
Frontiers in Pharmacology (2024)
NNMT: a novel therapeutic target for metabolic syndrome View Source