Selank and Semax are both synthetic nootropic peptides from Russia’s Institute of Molecular Genetics, but they operate through entirely different mechanisms. This research review compares their GABAergic, BDNF, enkephalin, and monoamine pathways with 14 peer-reviewed references.
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Selank vs. Semax: Two Nootropic Peptides, Two Different Mechanisms
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GLP-1 Single vs. Dual vs. Triple Receptor Agonists: A Research Comparison
How do single, dual, and triple receptor agonists compare in metabolic research? This guide breaks down the pharmacology of GLP-1, GLP-1/GIP, and GLP-1/GIP/glucagon receptor agonists, including key preclinical findings and mechanistic differences.
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Melanotan I vs. Melanotan II: Research Profiles Compared
Melanotan I and Melanotan II both derive from alpha-MSH but differ dramatically in receptor selectivity and research applications. This comparison examines their structural differences, melanocortin receptor pharmacology, and distinct scientific trajectories from a shared origin at the University of Arizona.
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Ipamorelin vs. GHRP-6: Selectivity, Potency, and Research Applications
Ipamorelin and GHRP-6 both stimulate growth hormone release through GHS-R1a, yet they differ sharply in selectivity and off-target effects. This evidence-based comparison examines receptor pharmacology, potency data, and the distinct research applications where each peptide excels.
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BPC-157 vs. TB-500: What the Research Says About Each
BPC-157 and TB-500 are two of the most studied peptides in regenerative research, but they work through fundamentally different mechanisms. This comparison examines what the published science reveals about each compound’s unique research profile.
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Understanding Bacteriostatic Water: What Researchers Need to Know
Bacteriostatic water is a USP-grade sterile solvent containing 0.9% benzyl alcohol that inhibits microbial growth for up to 28 days. This guide covers its composition, preservative mechanism, quality standards, and best practices for peptide reconstitution research.
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What Is Epithalon? The Tetrapeptide at the Center of Aging Research
Epithalon (AEDG) is a synthetic tetrapeptide that has been studied for over 25 years across telomerase activation, melatonin regulation, and antioxidant defense. A 2025 independent study provided the first quantitative confirmation of its telomere-extending effects outside the original research group.
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What Are Mitochondrial-Derived Peptides? MOTS-c, Humanin, and Beyond
Mitochondrial-derived peptides (MDPs) are a recently discovered class of bioactive microproteins encoded by small open reading frames within mitochondrial DNA. Research into MOTS-c, humanin, and the small humanin-like peptides (SHLPs) is revealing their roles in metabolism, neuroprotection, and aging.
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What Is GHK-Cu? The Copper Tripeptide Researchers Keep Studying
GHK-Cu is a naturally occurring copper tripeptide that influences over 4,000 human genes. Discovered in 1973, it remains one of the most actively studied peptides in regenerative science, with recent research revealing new mechanisms in inflammation, neuroprotection, and tissue repair.
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