PT-141
“The Spark”
A libido-boosting peptide that works through the brain, not the bloodstream — for men and women.
Also known as Bremelanotide
PT-141
Compound descriptor: Bremelanotide · melanocortin agonist
- 90
- LIBIDO
- 78
- ONSET
- Class
- Sexual & Hormonal
01 · THE SCORECARD
How it rates
Our totally-for-fun rating across the metrics beginners actually care about.
- Libido Boost
- 90 / 100
- Onset Speed
- 78 / 100
- Research Depth
- 80 / 100
Overall Grade
SCORE 84/100
02 · HOW IT WORKS
The mechanism
Acts on the brain
PT-141 activates melanocortin receptors in the nervous system.
Desire, not just blood flow
Unlike ED pills, it raises actual libido and arousal.
For everyone
It works for both men and women.
03 · WHY PEOPLE USE IT
The benefits
Increased Libido
Boosts sexual desire centrally.
Works for Women Too
One of the few options studied in both sexes.
Not Vascular
Works even when blood-flow drugs don't.
05 · RELATED RESEARCH
Related compounds
Source-checked entry
Verified means the Research Lab entry has been checked against its cited sources. It does not mean the compound has been proven safe or effective for human use.
Research-use information
Nicknames, one-line descriptions, tiers, scores and the mechanism and benefit cards are a borrowed, just-for-fun ranking opinion — not clinically verified grades, results or safety guidance. Titan’s qualified research is in Science & References.
Educational research reference only. Not medical advice. Laboratory and animal findings do not establish effects in humans. Products supplied by Titan Labs Australia are for laboratory research use only and are not for human or animal consumption.
Last updated 2 Oct 2026