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PT-14110 mg RUO

PT-141

Reignites desire from the brain, not blood flow.

  • Reignites desire at the source, works on the brain's arousal circuits, not blood flow
  • FDA-approved as Vyleesi: a genuine approval, rare in this catalog
  • Works for men and women alike through MC4R, a different pathway than ED pills
Studied for
Libido and arousal
≥99% purity HPLC-tested Sexual & Hormonal
Size
$44per vial

Free shipping over $200 · ships from the USA

Also available

Nasal spray

Pre-mixed 10 ml metered spray, no reconstitution. This compound is commonly studied intranasally.

$6010 ml bottle

Why researchers choose it

PT-141 works on the arousal circuits in the brain, so it targets desire itself rather than blood flow the way ED pills do. It's FDA-approved as Vyleesi for low sexual desire in premenopausal women, and it started out as a men's ED candidate, which is why the two get studied side by side.

Reconstitution reference concentration only, not dosing

Set the vial strength and how much bacteriostatic water you draw into it. This returns the resulting concentration for lab handling. It is a dilution reference, not a dosing recommendation.

mg / mL
Each 0.01 mL — one unit on a U-100 syringe — holds
Syringe drawVolumeAmount in that volume

Most compounds reconstitute with bacteriostatic water; a few acid-loving peptides use acetic acid instead. How much to draw, and how many vials a cycle needs, live in the Complete Peptide Guide, not here.

How much, and how many vials for a full cycle?

Protocol and cycle-length questions get answered in the Complete Peptide Guide, not here. These listings carry no dosing.

Read more →
This compound is supplied for laboratory research use only and is not for human or veterinary consumption. The research summarized here describes published third-party findings, not outcomes from Limitless Peptides, and is not dosing guidance or medical advice. These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease.

How to verify what you received

Every batch we list is third-party HPLC-tested to ≥99% purity. When your vial arrives, these are the handling and quality-control checks a researcher runs before use.

Commonly studied alongside

KISSPEPTIN-1010 mg RUO

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MELANOTAN I10 mg RUO

Melanotan I(10 mg)

A real tan with built-in UV protection, from selective MC1R activation.

$39
MELANOTAN II10 mg RUO

Melanotan II(10 mg)

The original tanning peptide, deeper color plus a libido kick.

$37

What the research reports 4 citations

  • FDA-approved as Vyleesi for premenopausal women with hypoactive sexual desire disorder.Kingsberg 2019
  • Activates MC4R in hypothalamic arousal circuits: it targets desire in the brain, not the plumbing.PubMed: bremelanotide
  • It began as a men's erectile-dysfunction candidate and acts through a different pathway than PDE5 inhibitors; the literature describes additive rather than duplicated effects, alongside additive transient blood-pressure and heart-rate effects that make concurrent peak exposure something the source explicitly flags to avoid.Wessells 2000
  • Honest number from the label: focal hyperpigmentation ran about 1% with intermittent use but reached 38% under continuous daily exposure, which is a strong argument against scheduled use in study design.FDA Vyleesi label

Compound reference physicochemical facts

Class
Melanocortin peptide
Molecular formula
C50H68N14O10
Molecular weight
1025.2 g/mol
CAS number
189691-06-3
Storage
Lyophilized −20 °C; reconstituted 2–8 °C, kept from light
PT-141$44