Oxytocin vs PT-141
Oxytocin: Peptide hormone. PT-141: Melanocortin agonist (bremelanotide). Per milligram, PT-141 is cheaper right now (USD 0.600 vs USD 0.600 at the cheapest tested vendor). PT-141 has stronger published evidence (grade A vs B). Prices per mg compare cost, not effect: the amounts used in studies differ between compounds.
Oxytocin
A nine-amino-acid hormone that triggers labor and milk let-down and influences bonding and social behavior; nasal forms are studied for mood and social function.
- What it is
- Peptide hormone
- Category
- Sleep & mood
- Status
- FDA-approved as Pitocin for labor; other uses are experimental.
- Cheapest
- USD 0.600 per mg (Uther)
- Median price
- USD 3.80 per mg
- Vendors
- 40 independently tested, 3 with a lab report
- Research
- Grade B: Some human evidence (8 papers)
- Studied as
- an approved drug
- Reported side effects
- Restlessness, increased irritability and increased energy (more often than placebo in autism trials)
PT-141
Acts on brain melanocortin receptors to increase sexual desire, independent of blood flow.
- What it is
- Melanocortin agonist (bremelanotide)
- Category
- Sexual health & hormones
- Status
- FDA-approved as Vyleesi for low sexual desire in premenopausal women.
- Cheapest
- USD 0.600 per mg (BeiBangAn)
- Median price
- USD 3.33 per mg
- Vendors
- 75 independently tested, 21 with a lab report
- Research
- Grade A: Strong human evidence (8 papers)
- Studied as
- an approved drug
- Reported side effects
- Nausea; Flushing; Headache; Injection-site reactions
Cheapest tested vendors for Oxytocin and PT-141
Lowest price per milligram at up to three independently tested vendors each. Rankings are by price only; open a vendor to see its lab results.
| Peptide | Vendor | Per mg |
|---|---|---|
| Oxytocin | Uther | USD 0.600 |
| BFF Chem | USD 0.750 | |
| Bfflink | USD 0.750 | |
| PT-141 | BeiBangAn | USD 0.600 |
| LN Peptides | USD 0.600 | |
| Shenzhen Loga Tech LG LOGA | USD 0.600 |
Questions people ask
What is the difference between Oxytocin and PT-141?
Oxytocin: Peptide hormone. PT-141: Melanocortin agonist (bremelanotide). Per milligram, PT-141 is cheaper right now (USD 0.600 vs USD 0.600 at the cheapest tested vendor). PT-141 has stronger published evidence (grade A vs B). Prices per mg compare cost, not effect: the amounts used in studies differ between compounds.
Which is cheaper, Oxytocin or PT-141?
PT-141 is cheaper per mg: USD 0.600 for Oxytocin vs USD 0.600 for PT-141 at the cheapest independently tested vendor. The median listing is USD 3.80 per mg for Oxytocin and USD 3.33 per mg for PT-141.
Which is easier to find from a tested vendor, Oxytocin or PT-141?
PT-141 is sold by more independently tested vendors: 40 list Oxytocin (3 publish a lab report for it) and 75 list PT-141 (21 with a lab report).
Which has more published research, Oxytocin or PT-141?
Oxytocin is graded B (some human evidence) from 8 papers and PT-141 is graded A (strong human evidence) from 8 papers. Grades count studies of the exact compound only; they describe how much evidence exists, not which one is better.
Are Oxytocin and PT-141 FDA approved?
Oxytocin: FDA-approved as Pitocin for labor; other uses are experimental. PT-141: FDA-approved as Vyleesi for low sexual desire in premenopausal women.