§ 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
14
vendors tracked
from $1.62/mg
PT-141
18
vendors tracked
from $2.00/mg
◎ Cheapest $/mg:Melanotan II at $1.62/mg
Melanotan II
Non-selective melanocortin agonist
Operational
$16.24
$1.62/mg
Out of stockOn sale
B
Operational$24.99
$2.50/mg
In stock▲ 53.9% vs best
B-
Operational$28.60
$2.86/mg
In stockOn sale▲ 76.1% vs best
Operational
$32.39
$3.24/mg
In stock▲ 99.4% vs best
Operational
$32.99
$3.30/mg
In stock▲ 103.1% vs best
Operational
$33.99
$3.40/mg
In stock▲ 109.3% vs best
B-
Operational$35.00
$3.50/mg
In stock▲ 115.5% vs best
Operational
$37.99
$3.80/mg
In stock▲ 133.9% vs best
B-
Watch$39.99
$4.00/mg
In stock▲ 146.2% vs best
Operational
$41.00
$4.10/mg
Out of stock▲ 152.5% vs best
B-
Watch$44.00
$4.40/mg
In stock▲ 170.9% vs best
B
Operational$44.00
$4.40/mg
In stock▲ 170.9% vs best
Operational
$50.00
$5.00/mg
In stockOn sale▲ 207.9% vs best
Watch
$51.99
$5.20/mg
In stock▲ 220.2% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| One Day Compounds US | B- | Operational | $16.24 On sale | $1.62 | Out | Buy with code → | |
| Welli Labs US | B | Operational | $24.99 ▲ 53.9% | $2.50 | In stock | Visit → | |
| Southern Aminos US | B- | Operational | $28.60 On sale ▲ 76.1% | $2.86 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $32.39 ▲ 99.4% | $3.24 | In stock | Visit → | |
| AMC Essentials US | B | Operational | $32.99 ▲ 103.1% | $3.30 | In stock | Visit → | |
| Glacier Aminos US | B | Operational | $33.99 ▲ 109.3% | $3.40 | In stock | Visit → | |
| Peptide Hub US | B- | Operational | $35.00 ▲ 115.5% | $3.50 | In stock | Visit → | |
| Research Peptides US | B | Operational | $37.99 ▲ 133.9% | $3.80 | In stock | Visit → | |
| Modified Aminos US | B- | Watch | $39.99 ▲ 146.2% | $4.00 | In stock | Visit → | |
| Core Peptides US | A | Operational | $41.00 ▲ 152.5% | $4.10 | Out | Visit → | |
| Ameano Peptides US | B- | Watch | $44.00 ▲ 170.9% | $4.40 | In stock | Visit → | |
| EZ Peptides US | B | Operational | $44.00 ▲ 170.9% | $4.40 | In stock | Visit → | |
| Ascension Peptides US | B | Operational | $50.00 On sale ▲ 207.9% | $5.00 | In stock | Visit → | |
| Australian Peptide Store AU | B- | Watch | $51.99 ▲ 220.2% | $5.20 | In stock | Visit → |
Sort:
Last crawl 2026-11-12Sort:
2026-11-12PT-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 2026-11-12Sort:
2026-11-12About 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.