§ Same category · Sexual-health peptides
Melanotan II vs Tadalafil
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Melanotan II
20
vendors tracked
from $2.50/mg
Tadalafil
0
vendors tracked
Melanotan II
Non-selective melanocortin agonist
B
Operational$24.99
$2.50/mg
In stock◎ Best $/mg
B-
Operational$29.00
$2.90/mg
In stock▲ 16.0% vs best
Watch
$29.00
$2.90/mg
In stock▲ 16.0% vs best
Operational
$32.39
$3.24/mg
In stock▲ 29.6% vs best
Operational
$33.99
$3.40/mg
In stock▲ 36.0% vs best
Operational
$34.99
$3.50/mg
In stock▲ 40.0% vs best
B-
Operational$35.00
$3.50/mg
In stock▲ 40.1% vs best
B-
Operational$36.75
$3.67/mg
Out of stockOn sale▲ 47.1% vs best
Operational
$37.80
$3.78/mg
In stock▲ 51.3% vs best
Operational
$37.99
$3.80/mg
In stock▲ 52.0% vs best
Operational
$38.00
$3.80/mg
Out of stock▲ 52.1% vs best
B-
Watch$39.99
$4.00/mg
In stock▲ 60.0% vs best
Operational
$40.00
$4.00/mg
In stockOn sale▲ 60.1% vs best
Operational
$40.00
$4.00/mg
In stock▲ 60.1% vs best
Operational
$41.00
$4.10/mg
Out of stock▲ 64.1% vs best
Operational
$42.49
$4.25/mg
In stockOn sale▲ 70.0% vs best
B-
Watch$44.00
$4.40/mg
In stock▲ 76.1% vs best
B
Operational$44.00
$4.40/mg
In stock▲ 76.1% vs best
B-
Operational$49.00
$4.90/mg
In stock▲ 96.1% vs best
Watch
$58.49
$5.85/mg
In stock▲ 134.1% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Welli Labs US | B | Operational | $24.99 ◎ Best $/mg | $2.50 | In stock | Buy with code → | |
| Atomik Labz US | B- | Operational | $29.00 ▲ 16.0% | $2.90 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $29.00 ▲ 16.0% | $2.90 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $32.39 ▲ 29.6% | $3.24 | In stock | Visit → | |
| Glacier Aminos US | B | Operational | $33.99 ▲ 36.0% | $3.40 | In stock | Visit → | |
| Double R Labs US | B | Operational | $34.99 ▲ 40.0% | $3.50 | In stock | Visit → | |
| Peptide Hub US | B- | Operational | $35.00 ▲ 40.1% | $3.50 | In stock | Visit → | |
| Southern Aminos US | B- | Operational | $36.75 On sale ▲ 47.1% | $3.67 | Out | Visit → | |
| ResearchPeptide UK UK | B- | Operational | $37.80 ▲ 51.3% | $3.78 | In stock | Visit → | |
| Research Peptides US | B | Operational | $37.99 ▲ 52.0% | $3.80 | In stock | Visit → | |
| Modern Aminos US | B | Operational | $38.00 ▲ 52.1% | $3.80 | Out | Visit → | |
| Modified Aminos US | B- | Watch | $39.99 ▲ 60.0% | $4.00 | In stock | Visit → | |
| Ascension Peptides US | B | Operational | $40.00 On sale ▲ 60.1% | $4.00 | In stock | Visit → | |
| FITSKNS Research Group US | B- | Operational | $40.00 ▲ 60.1% | $4.00 | In stock | Visit → | |
| Core Peptides US | A | Operational | $41.00 ▲ 64.1% | $4.10 | Out | Visit → | |
| One Day Compounds US | B- | Operational | $42.49 On sale ▲ 70.0% | $4.25 | In stock | Visit → | |
| Ameano Peptides US | B- | Watch | $44.00 ▲ 76.1% | $4.40 | In stock | Visit → | |
| EZ Peptides US | B | Operational | $44.00 ▲ 76.1% | $4.40 | In stock | Visit → | |
| Lab Sourced US | B- | Operational | $49.00 ▲ 96.1% | $4.90 | In stock | Visit → | |
| Australian Peptide Store AU | B- | Watch | $58.49 ▲ 134.1% | $5.85 | In stock | Visit → |
Sort:
Last crawl 2026-05-09Sort:
2026-05-09Tadalafil
Long-acting PDE-5 inhibitor
No current listings at 10mg.
About Melanotan II
A synthetic non-selective melanocortin receptor agonist studied for tanning and sexual arousal. Not approved; sold as research chemical.
About Tadalafil
A long-acting PDE-5 inhibitor clinically used for erectile dysfunction and BPH. Small molecule — sold in peptide-store catalogs for research.