Category N
Neuro, Cognitive & Sleep
Nootropic, anxiolytic, orexin and sleep-pathway peptides.
- Compounds
- 15
- Blends
- 2
- Human data
- 6
This category holds 15 compounds, including 2 research blends. By evidence level: 6 human data, 7 preclinical, 2 little public data. The badge describes the published research, not the product. How to read the badges.
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HumanSK
Selank
Tuftsin analogue
Synthetic heptapeptide analogue of tuftsin, studied for effects on cytokine expression, monoamine metabolism and hippocampal BDNF expression in rats.
- 5 mg
- 10 mg
-
HumanSX
Semax
ACTH(4-10) analogue
Synthetic heptapeptide analogue of ACTH(4-10), studied for effects on BDNF expression and serotonergic and dopaminergic systems in rodents.
- 5 mg
- 10 mg
- 20 mg
-
PreclinicalBlendSK+SX
Semax + Selank
Nootropic blend
Research blend of Semax and Selank, two Russian-developed heptapeptides studied separately in BDNF, neuroprotection and immune-signalling research.
- 20 mg
-
PreclinicalBlendIN60
IllumiNeuro-60
Neuro blend
Four-component research blend of N-acetyl Semax, N-acetyl Selank, Pinealon and PE 22-28, each studied separately in neuropeptide research.
- 60 mg
-
Preclinical
PE-22-28
Spadin-derived peptide
Seven-amino-acid peptide derived from spadin that blocks the TREK-1 potassium channel, studied in cell and mouse neurobiology research.
- 5 mg
- 10 ml
-
Little dataADA
Adamax
Semax analogue (reported)
Reported synthetic derivative of Semax with modified termini; no published pharmacology was located, so its research profile is limited.
- 5 mg
- 10 mg
- 50 mg
-
Preclinical
Dihexa
Angiotensin IV analogue
Reported blood-brain-barrier-permeable angiotensin IV analogue studied preclinically; the paper proposing its c-Met mechanism was retracted in 2025.
- 5 mg
- 10 mg
- 50 mg
-
HumanCBL
Cerebrolysin
Brain-derived peptide mixture
Porcine brain-derived mixture of low-molecular-weight peptides and amino acids, studied for neurotrophic and neuroprotective activity.
- 10 mg
- 60 mg
-
HumanDS
DSIP
Delta sleep-inducing peptide
Naturally occurring nonapeptide first described as a sleep-promoting factor, studied in sleep, neurotransmitter, circadian and hormonal research.
- 2 mg
- 5 mg
- 10 mg
- 15 mg
- 20 mg
-
PreclinicalDR
Dermorphin
Mu-opioid agonist
Heptapeptide from Phyllomedusa sauvagei frog skin and prototype mu-selective opioid peptide, notable for a D-amino acid at position two.
- 2 mg
- 5 mg
- 10 mg
- 20 mg
-
Little data
Demorphin
TO CONFIRM
Research compound; exact identity to be confirmed, as no distinct peptide of this name was found in public sources.
- 2 mg
-
Human
Orexin A
Orexin receptor agonist
Endogenous hypothalamic neuropeptide that activates the OX1R and OX2R receptors, studied in feeding, wakefulness, arousal and reward research.
- 10 mg
-
Preclinical
Orexin B
Orexin receptor agonist
Endogenous hypothalamic neuropeptide from the orexin precursor, reported to favour OX2R over OX1R and studied in sleep-wake and feeding research.
- 5 mg
- 10 mg
-
PreclinicalP21
P21 (P021)
CNTF-derived peptide
Small CNTF-derived peptide (Ac-DGGLAG-NH2) studied for neurogenesis and synaptic plasticity effects in mouse models of Alzheimer's disease.
- 5 mg
- 10 mg
-
HumanMT10
Melatonin
Pineal hormone (non-peptide)
Pineal hormone acting on MT1 and MT2 receptors, studied in circadian timing and sleep regulation and for free-radical scavenging in the laboratory.
- 10 mg
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