Skip to content

Dr. Aimen Arij

Are Peptides Safe? What the Research Actually Shows

“Peptides” is not one thing, so “are peptides safe?” has no single honest answer. Insulin is a peptide and so is semaglutide;…

What Is Cortagen? The Brain-Cortex Bioregulator Peptide Explained

Cortagen is marketed for memory, focus and recovery after brain injury. It is a synthetic tetrapeptide, sequence Ala-Glu-Asp-Pro (AEDP), built in the…

What Is Chonluten? The Respiratory Bioregulator Peptide Explained

Chonluten is sold as the lung member of the Khavinson “peptide bioregulator” family — a tripeptide reported as Glu-Asp-Gly (EDG), marketed for…

What Is Cartalax? The Cartilage Peptide Bioregulator, Examined

Cartalax is a synthetic short peptide from the Russian “bioregulator” family developed at the St. Petersburg Institute of Bioregulation and Gerontology, marketed…

Semax vs Selank: How the Two Russian Nootropic Peptides Actually Differ

Semax and Selank are two synthetic heptapeptides developed at the same Russian institute, built on the same design trick — take a…

What Is SLU-PP-332? The Pan-ERR Agonist “Exercise Mimetic” Explained

SLU-PP-332 is not a peptide. It is a small synthetic organic molecule — a pan-agonist of the three estrogen-related receptors (ERRα, ERRβ,…

Was BPC-157 FDA-Approved? What the July 2026 Compounding Vote Actually Did

No — BPC-157 has not been approved by the FDA, and nothing that happened in July 2026 changed that. What actually occurred…

Do Peptides Need to Be Refrigerated? Storage, Stability & Shelf Life

The honest answer is that it depends entirely on the physical state of the peptide, not the peptide itself. A sealed, lyophilized…

What Is HGH 191AA? The 191-Amino-Acid Somatropin Sequence Explained

“HGH 191AA” is not a brand, a grade, or a potency rating — it is a description of the molecule itself. It…

Do GLP-1 Peptides Cause Muscle Loss? Lean Mass in Weight-Loss Research

Short answer: yes — in the major weight-loss trials, a meaningful portion of the weight lost on GLP-1 receptor agonists is fat-free…