Dr. Aimen Arij

PE-22-28 Peptide: What It Does and the Evidence (2026)

Short answer: PE-22-28 is a seven-amino-acid fragment of spadin that blocks a potassium channel called TREK-1 — and in mice, blocking that…

What Is AICAR? Effects, Evidence and Why It Is Banned

AICAR is not a peptide, despite being sold alongside them. It is a nucleoside analogue — a small molecule related to adenosine…

What Is FOXO4-DRI? The Senolytic Peptide and What the Evidence Shows (2026)

Short answer: FOXO4-DRI is a synthetic peptide designed to make senescent cells — the “zombie cells” that accumulate with age — destroy…

What Is SNAP-8 (Acetyl Octapeptide-3)? The SNARE-Modulating Cosmetic Peptide in Research

Short answer: SNAP-8 (INCI name acetyl octapeptide-3) is a cosmetic peptide designed to imitate a fragment of the SNAP-25 protein and blunt…

MGF vs IGF-1 LR3: How the Two IGF-1 Variants Differ in Muscle Research

Mechano Growth Factor (MGF) and IGF-1 Long R3 (IGF-1 LR3) are frequently grouped together in the peptide-research literature because both trace back…

What Is ARA-290 (Cibinetide)? Mechanism, Trials and Evidence (2026)

Short answer: ARA-290, also called cibinetide, is an 11-amino-acid peptide engineered from the erythropoietin (EPO) molecule. It was built to keep EPO’s…

HCG vs Gonadorelin vs HMG: Comparing the HPG-Axis Fertility Peptides in Research

Human chorionic gonadotropin (HCG), gonadorelin, and human menopausal gonadotropin (HMG) are frequently grouped together as “fertility peptides,” yet they act at three…

GHRP-6: What It Does, the Appetite Effect and Reported Side Effects

GHRP-6 is a synthetic six-amino-acid peptide that binds the ghrelin receptor (GHS-R1a) and makes the pituitary release growth hormone. Two things separate…

Testagen Peptide: Does It Raise Testosterone? What the Evidence Shows

Testagen is a short synthetic peptide — the tetrapeptide Lys–Glu–Asp–Gly, or “KEDG” — sold as a reproductive-tissue “bioregulator” and widely marketed as…

What Is MK-677 (Ibutamoren)? The Oral Growth Hormone Secretagogue Explained

MK-677 (ibutamoren) is an orally active compound that makes the pituitary release more of the body’s own growth hormone by switching on…