Science Behind the Peptides

Grey Research Peptides

Peptides and Immune Function: What’s Being Studied

Peptide signals have coordinated the immune system since its evolutionary origin. Cytokines, defensins, and thymic peptides are endogenous peptides that the bo…

Apr 17, 2026 6 min

Grey Research Peptides

Peptides and Joint Health: What Research on Collagen-Related Compounds Reveals

Joint health lies at the intersection of two active areas of peptide research. The first focuses on tissue repair peptides that act through receptor-mediated a…

Apr 16, 2026 5 min

Grey Research Peptides

Peptides for Skin: Beyond GHK-Cu – A Research Overview

The skin is not merely a mechanical barrier. The dermis and epidermis express a high density of peptide receptors, and the accessibility of the skin as an orga…

Apr 15, 2026 7 min

Grey Research Peptides

Sermorelin vs. Tesamorelin: A Comparison of Growth Hormone Secretagogues

Sermorelin vs. Tesamorelin is a comparison that naturally arises: they belong to the same class, stimulate the pituitary gland to release GH via GHRH receptors…

Apr 13, 2026 6 min

Grey Research Peptides

KPV Peptide: Anti-Inflammatory Research and Gut Applications

Most research peptides consist of chains of dozens of amino acids. KPV is structured differently: three amino acids - lysine, proline, and valine. This is prec…

Apr 10, 2026 5 min

Grey Research Peptides

Peptides for Gut Health: BPC-157, KPV, and Beyond

The intestinal epithelium is one of the tissues in the body with the highest density of peptide receptors. The gut constantly receives and sends various signal…

Apr 9, 2026 6 min

Grey Research Peptides

Best Peptides for Women: What Research Focuses On

Over the past decade, interest in peptides for women has grown significantly within the scientific community. Peptides are short chains of amino acids that fun…

Apr 8, 2026 5 min