Research Category

Other Research

Explore the Full Spectrum.

Reproductive HealthPigmentationGrowth FactorsSleepStress

A collection of specialized peptides studied across various physiological domains including reproductive health, pigmentation, and growth factor signaling.

10

Research Compounds

24

Scientific References

Monthly

Updated

Research Snapshot

Evidence Summary

Research Areas

Reproductive HealthPigmentationGrowth FactorsSleepStress

Mechanisms

Melanocortin ReceptorsGnRH Pulse StimulationHPA Axis ModulationMelanogenesis

Research Status

PT-141 (Bremelanotide) is FDA-approved as Vyleesi for HSDD. Others in preclinical or early clinical research.

Evidence Base

10

Compounds

24+

References

Research Overview

What this field
investigates

What we research

The Other category encompasses specialized peptides studied across diverse physiological domains — from reproductive health and pigmentation to sleep regulation and stress resilience.

How compounds are grouped

Compounds are grouped by domain: reproductive peptides (PT-141, Kisspeptin, Gonadorelin), pigmentation peptides (Melanotan II), sleep peptides (DSIP), and mood/stress peptides (PE-22-28, Selank). Each targets distinct physiological systems.

Research considerations

PT-141 (bremelanotide) is FDA-approved for female HSDD. Other compounds in this category are research chemicals with varying levels of clinical evidence. Always review the primary literature for each compound's specific safety profile.

Research Category

All Compounds

10 total
PT-141
Peptide

C50H68N14O10

PT-141

Bremelanotide — Sexual Health and Desire

PT-141 (Bremelanotide) is a synthetic melanocortin analogue derived from the cyclic alpha-MSH peptide Melanota...

Central nervous system act…FDA-approved for female HS…
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Melanotan II
Peptide

C50H69N15O9

Melanotan II

The Tanning and Photoprotective Peptide

Melanotan II (MT-II) is a synthetic cyclic analogue of alpha-melanocyte-stimulating hormone (α-MSH) that was o...

Eumelanin production stimu…Photoprotection against UV…
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Kisspeptin
Research

Kisspeptin

The Master Reproductive Regulator

Kisspeptin (Kp-54, Kp-13, Kp-10) is a family of neuropeptides encoded by the KISS1 gene that play a critical r...

GnRH pulse stimulation and…LH and FSH secretion induc…
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PEG-MGF
Research

PEG-MGF

Pegylated Mechano Growth Factor — Muscle Repair Signaling

PEG-MGF (Pegylated Mechano Growth Factor) is a modified form of IGF-1 splice variant that is produced locally ...

Local muscle satellite cel…Enhanced muscle fiber repa…
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Gonadorelin
Peptide

C55H75N17O13

Gonadorelin

Synthetic GnRH — HPG Axis Stimulation

Gonadorelin is a synthetic decapeptide identical to endogenous gonadotropin-releasing hormone (GnRH). It is us...

LH and FSH stimulation for…Testicular atrophy prevent…
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Follistatin-344
Research

Follistatin-344

Myostatin Antagonist — Muscle Growth Regulator

Follistatin-344 is a recombinant form of follistatin, an autocrine glycoprotein that binds and neutralizes myo...

Potent myostatin neutraliz…Dramatic muscle hypertroph…
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ACE-031
Research

ACE-031

ActRII-Fc Fusion — Decoy Receptor for Myostatin

ACE-031 is a recombinant fusion protein consisting of the extracellular domain of the activin receptor type II...

Decoy receptor trapping of…Broad TGF-β ligand neutral…
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Oxytocin
Peptide

C43H66N12O12S2

Oxytocin

The Social Bonding and Recovery Neuropeptide

Oxytocin is a naturally occurring neuropeptide produced in the hypothalamus and released by the posterior pitu...

Social bonding and trust b…Muscle regeneration and sa…
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IGF-1 LR3
Research

IGF-1 LR3

Long R3 Insulin-Like Growth Factor — Anabolic Signaling

IGF-1 LR3 (Long R3 IGF-1) is a modified analogue of human insulin-like growth factor 1 featuring an arginine s...

Potent anabolic signaling …Reduced IGF-binding protei…
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Melanotan I
Peptide

C77H109N21O19

Melanotan I

Afamelanotide — The Linear Melanocortin Photoprotective Peptide

Melanotan I (Afamelanotide, Scenesse) is a linear synthetic analogue of alpha-melanocyte-stimulating hormone (...

MC1R-selective melanogenes…Approved for erythropoieti…
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