Research use only — not for human or animal use
Research Education

Peptide Science Explained

Expert talks and reference notes on peptide research. Educational content only — Peptiva materials are for laboratory research, not for human or animal use.

What are peptides?

Peptides are short chains of amino acids (typically 2–50) linked by peptide bonds. They occupy the biological middle ground between single amino acids and full proteins — small enough to penetrate cell membranes and interact with specific receptors, yet large enough to carry highly selective biological information.

Over 7,000 naturally occurring peptides have been identified in the human body, performing roles from hormone signalling to tissue repair, immune regulation, and neurotransmission.

How they work

Synthetic research peptides replicate or modify natural sequences to study receptor-specific pathways. Each peptide has a unique affinity for particular receptors — unlocking precise mechanisms without the broad-spectrum effects seen in small-molecule drugs.

In the laboratory setting, peptides are used to investigate metabolic pathways, tissue regeneration, neuroendocrine function, and receptor-level drug discovery.

Receptor-Specific

Each peptide targets precise receptor subtypes, enabling highly selective pathway research.

Laboratory Verified

Every Peptiva batch undergoes third-party identity & purity analysis — COA available on request.

Extensively Studied

Our catalogue focuses on peptides with substantial peer-reviewed research behind them.

Expert Insights

Peptide Science Explained

Leading researchers and physicians discussing the mechanisms, benefits and frontiers of peptide therapeutics.

Peptides — The Regenerative Revolution in Healing, Longevity & Brain Health

Dr. Sara Siavoshi, Neurologist16 min

Peptides, Sleep Tech, and the End of Obesity

Andrew Huberman · a16z Podcast48 min

The Peptide That "Changes Everything"

Dr. Andrew Huberman18 min

Protein Myths, Peptides, and the Science of Emerging Therapies

Andrew Huberman w/ Gwyneth Paltrow42 min

The Science Behind the Peptide Craze

Medical Expert Panel15 min

The Emerging Science of Peptide Therapy

Research Panel52 min

Videos embedded from YouTube for educational reference. Peptiva Pharma is not affiliated with the featured presenters.

Our Research Peptide Catalogue

In-depth breakdown of each peptide we supply, including mechanism of action and research background.

Metabolic Research

Retatrutide

Triple GIP / GLP-1 / Glucagon Agonist

View product
Structure
39 amino acids
Molecular Weight
~4,731 Da

Retatrutide is a novel single-molecule triple agonist targeting GIP, GLP-1 and glucagon receptors. The glucagon receptor component provides an additional layer of metabolic research signalling beyond dual agonists.

Mechanism of Action

  • •GIP + GLP-1 activity as seen in dual agonists
  • •Glucagon receptor engagement increases basal metabolic rate in research models
  • •Modulates hepatic glucose output and lipid oxidation pathways

Research Background

  • •Phase 2 clinical data published in NEJM (2023) — advanced metabolic research compound
  • •Extensive preclinical receptor-binding studies
Important Notice

The products and information provided on this page are strictly for research use only. They are not intended for human consumption, diagnosis, treatment, prevention or cure of any disease. Peptiva Pharma research compounds are supplied to qualified researchers and institutions only.