Quick Comparison
1 Ascension Peptides50% OFF—THEPEPTIDECATALOGCopy Yes 10/10 10mg$50.00$5.00/mgView → 2 Ion Peptide15% OFF—thepeptidecatalogCopy 9.5/10 10mg$35.00$3.50/mgView → 3 EZ Peptides10% OFF—thepeptidecatalogCopy 9.1/10…
Comparison
melanotan i: Topic comparisons
Approved comparison material connected to this topic.
17 total recordsSide-by-side reading
Comparison records
Source comparisons are presented without a generated winner.
Read comparison →
What This Melanotan-I Comparison Page Includes
Live Melanotan-I pricing — Current prices across all tracked vendors, normalized to price per milligram for a fair apples-to-apples comparison regardless of vial size. COA verification data — Third-party purit…
MT-2 vs Melanotan I: Lab Differences Explained | Palmetto Peptides
MT-2 vs Melanotan I: Lab Differences Explained | Palmetto Peptides MT-2 vs Melanotan I: receptor selectivity, structure, stability, and which is appropriate for specific laboratory research applications. Resea…
MT-2 vs Melanotan I: Which Research Peptide Is Right for Your Laboratory?
Both MT-2 (Melanotan II) and Melanotan I (MT-1, also known as afamelanotide) are synthetic analogs of alpha-melanocyte-stimulating hormone (α-MSH), and both have been used extensively in melanocortin receptor …
MT-2 vs Melanotan I Research Peptides: Key Differences for Laboratory Applications
Research Notice: This article covers research on Melanotan II (MT-2) research peptide and PT-141 research peptide — available from Palmetto Peptides for laboratory use only. Research Use Only Disclaimer: MT-2 …
MT-1 vs MT-2 Stability
MT-2's cyclic structure gives it a meaningful stability advantage over MT-1. The lactam bridge physically impedes proteases from accessing and cleaving certain backbone positions. In cell culture and receptor …
At a Glance: MT-2 vs Melanotan I Side-by-Side
Amino acid length 13 amino acids 7 amino acids Conformation Linear Cyclic (lactam bridge) Molecular weight ~1647 Da ~1024 Da Primary receptor target MC1R (selective) MC1R, MC3R, MC4R, MC5R (pan-agonist) MC2R b…
Melanotan I vs Melanotan II
Melanotan I vs Melanotan II Melanotan I and Melanotan II differ in receptor selectivity, approved-drug history, sexual effects, and safety concerns. Neither is FDA-approved as a tanning drug. Two synthetic ana…
Melanotan I vs Melanotan II: Comparative Melanocortin Receptor Pharmacology Research
Melanotan I vs Melanotan II: Comparative Melanocortin Receptor Pharmacology Research In vitro research overview of Melanotan broad melanocortin receptor (MC1R in cell-based assay systems. For laboratory resear…
Melanotan I vs. Melanotan II: Quick Comparison
Amino Acids 13 7 Primary Use Skin tanning, phototoxicity treatment Skin tanning, libido boost, energy enhancement Receptor Target Mainly MC-1R, some MC-3R Non-selective (MC-1R, MC-3R, MC-4R, MC-5R) Half-Life L…
MT-I vs MT-II
More MC1R-selective than Melanotan II, so it tans with far less of MT-II's appetite-suppression and spontaneous-erection activity — but is used more frequently.
Pharmacokinetic Comparison
The pharmacokinetic profiles diverge as sharply as the structures. Tmax ~36 h ~1-2 h Intrinsic t1/2 ~30 min Apparent t1/2 ~15 h (implant-driven) Cmax 3.7 ng/mL Not well characterised BBB penetration Minimal Ye…
MT-I vs MT-II — The Structural Divergence
The structural difference between these two peptides functions like the difference between a single-purpose key and a master key. MT-I’s linear shape fits one lock well — the MC1R receptor on skin cells that d…
Melanotan I vs Melanotan II: Comparative Melanocortin Receptor Pharmacology Research
Melanotan I vs Melanotan II: Comparative Melanocortin Receptor Pharmacology Research Melanotan peptides represent synthetic analogs of α-melanocyte stimulating hormone (α-MSH) extensively studied in cell-based…
Tanning Peptides: Melanotan I vs II (2026)
Tanning Peptides: Melanotan I vs II (2026) MT-I is FDA-studied and selective. MT-II tans faster but hits libido and appetite receptors too. Full comparison with dosing. Not sure which peptide fits your goal? T…
comparison
PT-141 vs Melanotan 2: Key Differences PT-141 is FDA-approved for sexual function, MT-2 is not — but MT-2 adds tanning. Side-by-side on effects, safety, and cost. Melanotan 1 vs 2: Safety vs Potency MT-1 is FD…
Price Comparisons
Compare Melanotan I Prices Find the best deals from trusted vendors Compare Melanotan II Prices