Melanotan 2 in Australia: what is sold, what is legal, what the TGA says

What Melanotan 2 is

A cyclic analogue of alpha-MSH that activates several melanocortin receptors. It was developed at the University of Arizona in the 1980s as a potential sunless-tanning agent and was never approved. Its non-selective receptor activity is the reason it is studied for pigmentation, sexual function and appetite together.

The TGA's position

The TGA has published consumer warnings stating that Melanotan II has not been assessed for safety, quality or efficacy, that adverse events have been reported, and that supply for human use is illegal. Advertising it for tanning is a breach of the Therapeutic Goods Act. That is the regulatory backdrop for every 'melanotan 2 australia' search.

Nasal sprays and kits

Nasal sprays sold as MT2 are the most common form online. None is registered, none carries a certificate of analysis, and the peptide's stability in a spray base is unknown. Injection 'kits' bundle a vial of unknown origin with syringes. Neither is research-grade, and both are being sold for human use.

Research supply

Peptide Aus supplies Melanotan II (10mg) as lyophilised powder from a tested batch, with the certificate in the CoA library, for in-vitro research. We also stock Melanotan I, the MC1R-selective analogue, for pigmentation studies where receptor selectivity matters. We do not provide usage guidance for people.