All categoriesDIHEXADSIPMELANOTAN-1MELANOTAN-2OXYTOCINPT-141SELANKSEMAX
Category
Cognitive & Neurotrophic
Peptides examined in neuroprotection, BDNF expression, and synaptic plasticity research.
Cognitive & Neurotrophic
Dihexa
N-hexanoic-Tyr-Ile-(6) aminohexanoic amide · PNB-0408
- MW
- 473.6 g/mol
- Half-life
- Oral bioavailability reported; pharmacokinetics in humans not published
- Class
- Angiotensin IV analogue (oligopeptide)
Cognitive & Neurotrophic
DSIP
Delta Sleep-Inducing Peptide
- MW
- 848.8 g/mol
- Half-life
- ≈ 7–15 min (plasma)
- Class
- Nonapeptide neuromodulator
Cognitive & Neurotrophic
Melanotan-1
MT-1 · Afamelanotide
- MW
- 1646.8 g/mol
- Half-life
- ≈ 30 min (free); sustained-release implant approved
- Class
- α-MSH analogue (melanocortin agonist)
Cognitive & Neurotrophic
Melanotan-2
MT-2
- MW
- 1024.2 g/mol
- Half-life
- ≈ 33 min
- Class
- Cyclic α-MSH analogue (non-selective melanocortin agonist)
Cognitive & Neurotrophic
Oxytocin
- MW
- 1007.2 g/mol
- Half-life
- ≈ 1–6 min (IV); ≈ 20 min (intranasal CNS effects)
- Class
- Nonapeptide neuropeptide / hormone
Cognitive & Neurotrophic
PT-141
Bremelanotide
- MW
- 1025.2 g/mol
- Half-life
- ≈ 2.7 h
- Class
- Melanocortin receptor agonist
Cognitive & Neurotrophic
Selank
- MW
- 751.9 g/mol
- Half-life
- Short (minutes, intranasal)
- Class
- Synthetic tuftsin analogue
Cognitive & Neurotrophic
Semax
- MW
- 813.9 g/mol
- Half-life
- Short (minutes, intranasal); CNS effects persist hours
- Class
- Synthetic ACTH(4-10) analogue