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Diagram illustrating Retatrutide as a triple-agonist peptide acting on GLP-1, GIP and glucagon receptors.
retatrutide peptide
In the rapidly evolving landscape of metabolic research, retatrutide peptide (LY3437943) has emerged as a significant subject of scientific inquiry. Representing the next generation of incretin mimetics, this novel compound... Read more...
A detailed molecular representation illustrating the formation and structure of a peptide bond between two amino acids.
what is a peptide bond
Discover what a peptide bond is, how it forms through dehydration synthesis, and its unique structural characteristics. Learn why this crucial covalent link between amino acids is fundamental to protein... Read more...
Scientific illustration showing the GLP-1 hormone pathway with the intestine releasing GLP-1, signaling the pancreas for insulin secretion, the stomach for slowed gastric emptying, and the brain for satiety regulation.
what is Glucagon like Peptide?
Glucagon-like Peptide-1 (GLP-1) is a natural incretin hormone that helps regulate blood sugar, digestion and appetite. This PeptidesSkin research guide explains how it works, how it differs from GLP-1 agonist... Read more...
peptide sciences
peptide sciences
What Are Peptides? Peptides are short chains of amino acids linked by peptide bonds. They play crucial roles in various biological functions, including hormone regulation, immune response, and protein synthesis.... Read more...
collagen peptides benefits
collagen peptides benefits
The Ultimate Guide to Collagen Peptides: Benefits, Uses, and Recommendations What Are Collagen Peptides? Collagen peptides are short chains of amino acids derived from collagen, a vital protein in our... Read more...
Molecular structure of GHK-Cu peptide showing Glycine-Histidine-Lysine binding to Copper ion.
GHK-Cu peptide overview
GHK-Cu is one of the most studied peptides for skin regeneration, collagen production, and hair growth. This science-backed guide by PeptidesSkin explains how it works and why it’s considered a... Read more...
Infographic explaining the FDA Category 2 peptide list and restrictions on compounding peptides like BPC-157, CJC-1295 and AOD-9604.
Are peptides safe?
Are peptides really safe, or are some of them more dangerous than people think? This PeptidesSkin 2025 guide explains the safety spectrum of peptides, from FDA-approved medications to high-risk research... Read more...
Thermal stability graph showing higher melting temperature of Gly-Pro-Hyp collagen peptides compared to Gly-Pro-Pro sequences – CMP research data by Peptides Skin.
Are collagen peptides good for you?
Collagen peptides play a critical role in research, from triple-helix stability (Gly-Pro-Hyp) to Caco-2 permeability and tissue engineering. This analysis from Peptides Skin examines CMP bioactivity, synthesis methods, and structural... Read more...
Peptide vs Protein: what’s the difference?
Peptide vs Protein: what’s the difference?
On this page Introduction to Peptides and Proteins What are Peptides? What are Proteins? Key Differences Roles in the Body Medical Applications Conclusion FAQs For more background, see what are... Read more...
High-end biotechnology laboratory bench with peptide standard vials and a digital 3D peptide structure diagram on a screen.
What Are Peptides?
Peptides are essential tools in modern biochemistry, allowing researchers to probe cellular signaling, enzymatic pathways, and protein interactions. This 2025 guide explains how research peptides are defined, synthesized, purified, and... Read more...
Scientific diagram of collagen triple helix being enzymatically hydrolyzed into low-molecular-weight collagen peptides for in vitro research.
What Are Collagen Peptides?
Collagen peptides are low-molecular-weight fragments generated by enzymatic hydrolysis of native collagen and widely used as tools in ECM and fibroblast research. This technical review explains their Gly–X–Y motif, Dalton... Read more...