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Research Notice: This article covers research on IGF-1 LR3 research peptide and Hexarelin research peptide — available from Palmetto Peptides for laboratory use only. Research Use Only Disclaimer: All peptides listed on this page…
Amino acids 70 83 67 Molecular weight ~7.6 kDa ~9.1 kDa ~7.4 kDa Structural change None (reference) N-terminal extension + R3 substitution N-terminal truncation (loss of Gly-Pro-Glu) IGFBP affinity High ~1,000x reduced vs native …
Ipamorelin Strong Minimal (preclinical) High selectivity profile observed in animal models GHRP-6 Moderate to High Moderate Earlier generation; less selective GHRP-2 Similar selectivity concerns as GHRP-6 CJC-1295 Minimal Acts on…
RAW 264.7 macrophages LPS TNF-alpha, IL-6, NO Innate immunity Caco-2 epithelial monolayers TNF-alpha, IL-1beta Barrier, chemokines Gut inflammation RBL-2H3 mast cells IgE / antigen Histamine, beta-hex Allergic inflammation Murine…
Ipamorelin SC or IV ~2 hours (rodents) Acute GH pulse High (minimal cortisol) GHRP-6 ~2-3 hours (rodents) Moderate (cortisol stimulation) GHRP-2 Lower (cortisol stimulation) CJC-1295 (no DAC) SC ~30 minutes High CJC-1295 with DAC…
Alpha-MSH (full length) 13 AA Moderate (documented) Yes KPV 3 AA Modest CKPV (cyclic analog) 3 AA (cyclic) Enhanced vs. linear KPV Under study gamma2-MSH 12 AA Moderate [Nle4, D-Phe7]-alpha-MSH High Cyclic analogs of KPV (CKPV) h…
Receptor Target GHSR-1a GHRH Receptor Peptide Length 5 amino acids 30 amino acids 6 amino acids 29 amino acids GH Selectivity (preclinical) High Cortisol Stimulation (preclinical) Low Research Application GH pulse studies, select…
vs. Ipamorelin: Ipamorelin is far more selective (no cortisol/prolactin elevation, minimal tachyphylaxis). Hexarelin trades selectivity and sustained responsiveness for greater acute GH pulse amplitude and the unique CD36 cardiov…
GHRP-2: More potent than ipamorelin for GH release but significant cortisol and prolactin elevation. Research requiring GH stimulation without HPA axis activation favors ipamorelin. GHRP-6: Classic reference compound; produces si…
The comparison between Hexarelin and Ipamorelin is one of the most practically important distinctions in GHRP research. Both are GHSR agonists. Both stimulate GH release. The critical difference is selectivity. Ipamorelin was spe…
Hexarelin GHSR agonist Highest in class Low (cortisol/prolactin at high doses) Yes (CD36) Max GH amplitude; cardiac research Product Ipamorelin Selective GHSR agonist Moderate-high High (GH-selective) Minimal Clean GH studies; st…
Last Updated: July 6, 2026 | Reading Time: Approximately 4 minutes | Author: Palmetto Peptides Research Team
CJC-1295 (with DAC) GH stimulation via GHRH-R Indirect (via GH) Upstream 7-10 days Sustained GH elevation, aging models CJC-1295 (no DAC) ~30 min Pulsatile GH, acute designs Ipamorelin GH stimulation via GHSR-1a ~2 hrs Clean GH p…
Preservative Yes — 0.9% benzyl alcohol None None (standard) Multi-use vial compatible Yes No — single use only No (standard single-use) Typical pH 4.5–7.0 5.0–7.0 Osmolarity Near-isotonic Hypotonic Isotonic (~308 mOsm/kg) Near-ze…
CJC-1295 + Ipamorelin CJC-1295 (DAC or no DAC) + Ipamorelin Synergy Muscle growth / Metabolic CJC-1295 DAC · Ipamorelin Wolverine (BPC-157 + TB-500) BPC-157 + TB-500 Mechanistic coverage Tissue repair / Recovery Stack Product AOD…
GHK-Cu ECM degradation; epigenetic alteration; ROS Collagen synthesis; Nrf2; 4,000-gene modulation Skin aging, dermal biology Product SS-31 Mitochondrial dysfunction Cardiolipin stabilization; ROS reduction Mitochondrial aging, c…
Hexarelin is commonly studied alongside other GHRPs. The reconstitution math is identical for all — only mass, vial size, and target concentration differ: Hexarelin 5mg 5 ÷ conc = mL BAC water Less selective; CD36 agonism Ipamore…
KPV vs Other Research Peptides | Scientific Lab Comparison Guide | Palmetto Peptides KPV vs BPC-157, TB-500, GHK-Cu, and other research peptides — mechanisms, research targets, delivery, and lab application criteria compared. Res…
Glow Stack vs Single Peptides: Why Combinations Are Studied in Labs | Palmetto Peptides Why do researchers study peptide combinations like the Glow Stack instead of single compounds? Explore the science behind multi-peptide resea…
Glow Stack vs Wolverine Stack: Key Differences in Preclinical Research Peptide Combinations | Palmetto Peptides Glow Stack vs Wolverine Stack: GHK-Cu + KPV vs BPC-157 + TB-500 — mechanisms, target pathways, and research use consi…