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Research

The science, translated for her.

Peer-reviewed peptide research, distilled into readable notes. We cite sources, flag limitations, and never overstate findings.

Our standards

The HerAmino testing protocol.

  • Identity verification

    Mass spectrometry confirms exact peptide sequence per lot.

  • Purity assay

    Reverse-phase HPLC with ≥99% identity threshold.

  • Endotoxin screening

    LAL assay on every reconstitution-ready vial.

  • Independent lab

    All testing performed by a third-party ISO-accredited facility.

Peptide literature library

A reference library of published peptide research.

An educational index of peer-reviewed peptide literature, organized by biological pathway. Citations are provided for academic reference. Nothing on this page is a product claim, medical advice, or a recommendation for use.

Melanocortin signaling & sexual response pathways

PT-141 (Bremelanotide)Kisspeptin-10

Published literature characterizes melanocortin-4 receptor agonism and kisspeptin signaling as part of central neuroendocrine pathways involved in sexual response. The cited papers describe pharmacology, brain-imaging endpoints, and clinical study designs reported in peer-reviewed journals.

  • Kingsberg S.A. et al. — Bremelanotide pharmacology in female sexual desire studies (RECONNECT), Obstet Gynecol (2019)
  • Clayton A.H. et al. — Bremelanotide dose-finding study, Womens Health (2016)
  • Comninos A.N. et al. — Kisspeptin modulates sexual & emotional brain processing in women, J Clin Invest (2017)

GnRH pulsatility & the kisspeptin system

Kisspeptin-54Kisspeptin-10

Kisspeptin is described in the literature as an upstream regulator of GnRH pulsatility and downstream LH/FSH release. The studies below report measured changes in gonadotropin secretion in human research cohorts.

  • Jayasena C.N. et al. — Kisspeptin-54 stimulates gonadotropin secretion in women with reduced hypothalamic activity, J Clin Endocrinol Metab (2009)
  • Jayasena C.N. et al. — Twice-weekly kisspeptin-54 over 8 weeks: reproductive hormone response, J Clin Endocrinol Metab (2010)
  • Jayasena C.N. et al. — IV kisspeptin-54 and LH pulsatility, J Clin Endocrinol Metab (2014)

Oocyte maturation research models

Kisspeptin-54

Kisspeptin-54 has been studied as an experimental trigger of oocyte maturation in assisted-reproduction research. Cited papers describe pharmacology and reported safety endpoints from clinical research settings.

  • Abbara A. et al. — Kisspeptin trigger for oocyte maturation, Front Endocrinol (2022)
  • Jayasena C.N. et al. — Kisspeptin-54 in oocyte maturation studies, J Clin Invest (2014)

Dermal collagen & elastin biology

GHK-Cu (Copper Peptide)

GHK-Cu is widely studied as a copper-binding tripeptide. The cited literature describes effects on collagen and elastin synthesis, gene-expression patterns, and skin biology endpoints in laboratory and topical-cosmetic research.

  • Pickart L. & Margolina A. — Regenerative & protective actions of GHK-Cu, Int J Mol Sci (2018)
  • Pickart L. et al. — GHK peptide as a modulator of cellular pathways in skin, Biomed Res Int (2015)

Tuftsin-derived peptides in neuropharmacology

Selank

Selank, a synthetic tuftsin analog, has been studied in international neuropharmacology literature. Cited papers describe its pharmacological profile and observed endpoints in human research cohorts.

  • Medvedev V.E. et al. — Selank pharmacology in clinical research, Zh Nevrol Psikhiatr (2007)
  • Zozulia A.A. et al. — Comparative pharmacology of Selank, Zh Nevrol Psikhiatr (2008)
  • Medvedev V.E. et al. — Selank research review, Zh Nevrol Psikhiatr (2015)

Pineal peptides & circadian biology

Epitalon (Epithalamin)DSIP

Pineal-derived peptides have been studied in chronobiology and aging-research literature. Cited papers describe measured effects on melatonin rhythm and sleep-architecture endpoints in research populations.

  • Korkushko O.V. et al. — Epithalamin and circadian melatonin rhythm, Bull Exp Biol Med (2004)
  • Anisimov V.N. & Khavinson V.K. — Pineal peptides in aging research, Adv Gerontol (2007)
  • Schneider-Helmert D. & Schoenenberger G.A. — DSIP and sleep–wake behaviour, Eur Neurol (1987)

Thymic peptides & immune signaling

Thymosin Alpha-1

Thymosin Alpha-1 has decades of published research describing its role in T-cell differentiation and immune signaling. Cited papers report study designs and measured immunological endpoints in clinical research.

  • Kumar A. et al. — Tα1 randomized study endpoints, Cureus (2022)
  • Wu M. et al. — Thymalfasin (Tα1) clinical pilot, Open Forum Infect Dis (2022)
  • Goldstein A.L. — Thymosin alpha 1 research review, Ann N Y Acad Sci (2010)

Mitochondrial-derived peptides & AMPK signaling

MOTS-c

MOTS-c is described in the metabolism literature as a mitochondrial-derived peptide acting through AMPK. Cited papers report associations between circulating MOTS-c and metabolic biomarkers in human cohort research.

  • Wang M. et al. — Lipid and insulin regulation of MOTS-c, J Clin Endocrinol Metab (2019)
  • Ramanjaneya M. et al. — Plasma MOTS-c and metabolic markers, Clin Endocrinol (2018)
  • Wan W. et al. — MOTS-c review, J Transl Med (2023)

Growth-hormone axis pharmacology

CJC-1295Ipamorelin

GHRH analogs and ghrelin-receptor agonists are studied in endocrine pharmacology literature for their effects on the GH/IGF-1 axis. Cited papers describe pharmacokinetic and laboratory-research endpoints.

  • Teichman S.L. et al. — CJC-1295 pharmacology in healthy adults, J Clin Endocrinol Metab (2006)
  • Svensson J. et al. — Ipamorelin & GHRP-6 in preclinical bone research, J Endocrinol (2000)

Oxytocin neuroendocrinology

Oxytocin

Published literature characterizes oxytocin's role across the peripartum period, lactation, and central neuroendocrine pathways involved in social bonding and stress regulation.

  • Uvnäs-Moberg et al. — Physiology and pharmacology of oxytocin in labor and the peripartum period, Am J Obstet Gynecol (2024)
  • Carter C.S. — Sex, love and oxytocin: Two metaphors and a molecule, Neurosci Biobehav Rev (2022)

Educational reference only. The peptides referenced in this library are not offered for sale on this page and are not approved by the FDA for self-administration or for the prevention, treatment, or cure of any disease. Citations link to independent peer-reviewed literature and do not represent product claims by HerAmino. Consult a qualified clinician for any medical question.

From the library

Foundations

What is a peptide, really?

A no-jargon primer on peptide chemistry, length, and how they differ from small molecules.

3 min read

Quality

How to read a Certificate of Analysis

Understand HPLC, mass spectrometry, and what to look for when verifying a research peptide.

2 min read

Women's Biology

Why most peptide studies excluded women

A short history of the gender gap in clinical research — and what that means for today's data.

2 min read

Beauty

GHK-Cu and the collagen pathway

What dermatology research actually says about copper peptides and skin remodeling.

1 min read

Hormone

Kisspeptin and the HPG axis

An overview of kisspeptin's role in the reproductive endocrine cascade.

2 min read

Longevity

The NAD+ decline curve

Tissue-specific NAD+ depletion with age and the current state of restoration research.

1 min read