Science Behind the Peptides

Grey Research Peptides

Skin and Hair Research: GHK-Cu, Glutathione, and Melanin Peptides in One Overview

Searches for “skin peptides” have reached a new level. Whereas previously interest was mainly focused on topical cosmetic ingredients, searches are now increas…

Jun 12, 2026 6 min

Grey Research Peptides

Metabolic Research Peptides: From Semaglutide to Retatrutide – The Mechanism Behind the Demand

Metabolic peptides are perhaps the most talked-about topic in pharmacology right now - both in scientific journals and far beyond. Some are already being used …

Jun 10, 2026 6 min

Grey Research Peptides

GH-Releasing Peptide Research: Sermorelin, Ipamorelin, Hexarelin, and CJC-1295 Compared

After age 30, our bodies switch to a slow energy-saving mode. Every 10 years, natural growth hormone (HGH) production drops by about 14%. By the time we reach …

Jun 8, 2026 6 min

Grey Research Peptides

Epithalon vs Pinealon: Two Bioregulator Peptides for Brain and Longevity Research

If you are researching bioregulator peptides, you are bound to come across peptides such as Epithalon and Pinealon sooner or later. These peptides were studied…

Jun 4, 2026 6 min

Grey Research Peptides

MOTS-c vs SS-31: Two Mitochondrial Peptides, Different Mechanisms

Mitochondria have long since outgrown the schoolbook definition of “the cell’s powerhouse.” Today, they are one of the most actively studied targets in researc…

Jun 3, 2026 6 min

Grey Research Peptides

Sermorelin vs Ipamorelin: Comparing Two GH-Releasing Research Peptides

If you’ve ever looked into growth hormone-releasing peptides, you’ve probably heard of two names: sermorelin and ipamorelin. These two names are often mentione…

Jun 2, 2026 7 min

Grey Research Peptides

Tirzepatide vs. Semaglutide: What the Dual vs. Single Agonist Research Shows

Tirzepatide and semaglutide are arguably the most talked-about weight-loss peptides today. There is a perfectly logical explanation for this: both peptides hav…

Jun 1, 2026 7 min