Science Behind the Peptides

Grey Research Peptides

Body Composition vs Weight Loss: How Peptide Research Separates Fat and Muscle

The number on the scale is, at best, a rough proxy for what’s actually happening in the body. At worst, it’s actively misleading. Body weight combines adipose …

May 20, 2026 8 min

Grey Research Peptides

Visceral Adipose Tissue in Research: Why Fat Location Matters in Metabolic Studies

For a long time, obesity research was largely a numbers game. Total body weight, BMI, and overall fat mass quantity were the variables that seemed to matter mo…

May 19, 2026 7 min

Grey Research Peptides

Bioregulator Peptides as a Class: The Khavinson Research Tradition

Bioregulator peptides are short-chain compounds (typically two to four amino acids) derived from or modeled on sequences found in specific organ tissues. The r…

May 18, 2026 8 min

Grey Research Peptides

The Ghrelin System: Why GH Secretagogue Peptides Target GHSR

Walk through enough peptide research literature, and one receptor keeps showing up - GHSR, the growth hormone secretagogue receptor. It’s the binding site for …

May 5, 2026 9 min

Grey Research Peptides

The AMPK Signaling Pathway: Research Context for MOTS-C and SLU-PP-332

Metabolic research in recent years has shifted the focus from end-point phenotypic measures - such as body weight and glucose levels - to a more fundamental qu…

May 4, 2026 8 min

Grey Research Peptides

Why Combine Cagrilintide and Semaglutide? The Rationale Behind the Combination

Metabolic pharmacology is moving in a direction that can be described as a shift from single compounds to strategic combinations. The logic is simple: if obesi…

May 1, 2026 7 min

Grey Research Peptides

Peptide Blends: The Research Rationale for Combining Multiple Peptides

Something has shifted in how serious researchers approach peptide protocols. Where single compounds once dominated experimental design, the field is increasing…

Apr 30, 2026 7 min