Free U.S. shipping over $200Subscribe — any 4 peptides $350/moEarn 10% with our affiliate programSame-day shipping before 2pm CTLab-verified · COA with every lotFree U.S. shipping over $200Subscribe — any 4 peptides $350/moEarn 10% with our affiliate programSame-day shipping before 2pm CTLab-verified · COA with every lot
Atlas Labs PT-141 (Bremelanotide) research peptide vial
Sexual Health

PT-141

Bremelanotide

4.9 — read reviews

Centrally-acting libido research.

A melanocortin receptor agonist studied for male and female sexual dysfunction. Works via the central nervous system rather than the vascular pathway.

≥99% HPLCMass-Spec VerifiedEndotoxin TestedJanoshik Lab
$100
10mg vial · bulk discounts up to 40%
View COA

Researched Benefits

  • Increased libido
  • Arousal response
  • Works in both sexes
  • Non-vascular mechanism
Typical Research Protocol

Typical: 1–2 mg subcutaneous, 30–60 min before activity.

Half-life

~2 hours

For laboratory research use only. Not for human consumption, diagnosis, or treatment.

Dosing Reference

Typical Dose
1–2 mg per dose
Frequency
As needed, ≤3× weekly
Route
Subcutaneous
Cycle Length
Not a continuous protocol — use as needed
Reconstitution:
Add 2 mL bacteriostatic water to a 10 mg vial → 5 mg/mL. Draw 20 units for 1 mg.
Storage:
Lyophilized: refrigerate. Reconstituted: refrigerate, use within 30 days.

Side Effects & Cautions

Reported in research
  • Nausea (especially early doses)
  • Facial flushing
  • Temporary blood pressure elevation
  • Headache
Contraindications
  • Uncontrolled hypertension
  • Cardiovascular disease research
  • Pregnancy/lactation: not studied

Reconstitution Calculator

Convert vial size + BAC water into draw units.

Research tool
Concentration5000 mcg / ml
Per insulin unit50.00 mcg / unit
Volume per dose0.050 ml
Draw to5.0 units

For laboratory reference only. Verify all calculations independently. Atlas Labs products are sold for research use, not human consumption.

Lab-verified quality

Every lot ships with a downloadable Certificate of Analysis.

≥99% HPLCMass-Spec VerifiedEndotoxin TestedJanoshik Lab
  • HPLC purity & identity by Janoshik Analytical
  • Mass-spectrometry confirmation of sequence
  • LAL endotoxin testing per lot
  • Cold-chain shipping with thermal protection

Research Citations

Peer-reviewed studies referenced in our product summary.

Frequently Asked Questions

Most research protocols dose 30–60 minutes before activity. Effects can last several hours.

Customer Reviews

Be the first to review
  • No reviews yet — be the first to share your experience.