§ Same category · Sexual-health peptides
Melanotan II vs PT-141
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Melanotan II
21
vendors tracked
from $2.40/mg
PT-141
27
vendors tracked
from $2.00/mg
◎ Cheapest $/mg:PT-141 at $2.00/mg
Melanotan II
Non-selective melanocortin agonist
Operational
$23.99
$2.40/mg
In stockOn sale
B
Operational$24.99
$2.50/mg
In stock▲ 4.2% vs best
B-
Operational$29.00
$2.90/mg
In stock▲ 20.9% vs best
Watch
$29.00
$2.90/mg
In stock▲ 20.9% vs best
B-
Watch$29.99
$3.00/mg
In stock▲ 25.0% vs best
Operational
$30.00
$3.00/mg
In stock▲ 25.1% vs best
Operational
$32.39
$3.24/mg
In stock▲ 35.0% vs best
Operational
$32.99
$3.30/mg
In stock▲ 37.5% vs best
B-
Operational$33.00
$3.30/mg
In stockOn sale▲ 37.6% vs best
Operational
$33.99
$3.40/mg
In stock▲ 41.7% vs best
Operational
$34.99
$3.50/mg
In stock▲ 45.9% vs best
B-
Operational$35.00
$3.50/mg
In stock▲ 45.9% vs best
Operational
$37.80
$3.78/mg
In stock▲ 57.6% vs best
Operational
$37.99
$3.80/mg
In stock▲ 58.4% vs best
Operational
$39.99
$4.00/mg
Out of stock▲ 66.7% vs best
Operational
$40.00
$4.00/mg
In stock▲ 66.7% vs best
Operational
$41.00
$4.10/mg
Out of stock▲ 70.9% vs best
Operational
$43.00
$4.30/mg
In stockOn sale▲ 79.2% vs best
B-
Watch$44.00
$4.40/mg
In stock▲ 83.4% vs best
B
Operational$44.00
$4.40/mg
In stock▲ 83.4% vs best
B
Operational$59.99
$6.00/mg
In stockOn sale▲ 150.1% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Double R Labs US | B | Operational | $23.99 On sale | $2.40 | In stock | Buy with code → | |
| Welli Labs US | B | Operational | $24.99 ▲ 4.2% | $2.50 | In stock | Visit → | |
| Atomik Labz US | B- | Operational | $29.00 ▲ 20.9% | $2.90 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $29.00 ▲ 20.9% | $2.90 | In stock | Visit → | |
| Modified Aminos US | B- | Watch | $29.99 ▲ 25.0% | $3.00 | In stock | Visit → | |
| Peptide Crafters US | A | Operational | $30.00 ▲ 25.1% | $3.00 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $32.39 ▲ 35.0% | $3.24 | In stock | Visit → | |
| AMC Essentials US | B | Operational | $32.99 ▲ 37.5% | $3.30 | In stock | Visit → | |
| Southern Aminos US | B- | Operational | $33.00 On sale ▲ 37.6% | $3.30 | In stock | Visit → | |
| Glacier Aminos US | B | Operational | $33.99 ▲ 41.7% | $3.40 | In stock | Visit → | |
| One Day Compounds US | B- | Operational | $34.99 ▲ 45.9% | $3.50 | In stock | Visit → | |
| Peptide Hub US | B- | Operational | $35.00 ▲ 45.9% | $3.50 | In stock | Visit → | |
| ResearchPeptide UK UK | B- | Operational | $37.80 ▲ 57.6% | $3.78 | In stock | Visit → | |
| Research Peptides US | B | Operational | $37.99 ▲ 58.4% | $3.80 | In stock | Visit → | |
| Pure Lab Peptides US | B- | Operational | $39.99 ▲ 66.7% | $4.00 | Out | Visit → | |
| FITSKNS Research Group US | B- | Operational | $40.00 ▲ 66.7% | $4.00 | In stock | Visit → | |
| Core Peptides US | A | Operational | $41.00 ▲ 70.9% | $4.10 | Out | Visit → | |
| Ascension Peptides US | B | Operational | $43.00 On sale ▲ 79.2% | $4.30 | In stock | Visit → | |
| Ameano Peptides US | B- | Watch | $44.00 ▲ 83.4% | $4.40 | In stock | Visit → | |
| EZ Peptides US | B | Operational | $44.00 ▲ 83.4% | $4.40 | In stock | Visit → | |
| MS Peptides US | B | Operational | $59.99 On sale ▲ 150.1% | $6.00 | In stock | Visit → |
Sort:
Last crawl 2026-08-13Sort:
2026-08-13PT-141
Melanocortin-4 receptor agonist
Operational
$47.97
$9.59/mg
In stock◎ Best $/mg
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| BioLongevity Labs US | B | Operational | $47.97 ◎ Best $/mg | $9.59 | In stock | Buy with code → |
Sort:
Last crawl 2026-08-13Sort:
2026-08-13About Melanotan II
A synthetic non-selective melanocortin receptor agonist studied for tanning and sexual arousal. Not approved; sold as research chemical.
About PT-141
A synthetic α-MSH analog approved clinically as bremelanotide for hypoactive sexual desire disorder. Acts centrally via MC4R.