At the end of the experiment, the whole fish in each tank were anthesthetized on ice, and sampled to collect liver, muscle and visceral for molecular and biochemical indexes
Administered subcutaneously, it enhances pain-free time in sunlight and is well-tolerated, with minor side effects like headache and nausea (4)
Immunochemical inhibition of HL using HL-specific antibodies partially resolves this issue (55, 56, 60, 61)
Doing so could lead to serious injury and infections
Related Reading: For a comprehensive overview of Melanotan 2 research, mechanisms, UK sourcing, and safety data, see our Melanotan 2 UK: Complete Research Guide (2026).