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GHRP-2 (GHRP-2)

Peptide

GHRP-2

GHRP-2 is a potent GH secretagogue. More potent than GHRP-6 for GH stimulation but increases cortisol and prolactin more. Always pair with a GHRH (CJC-1295) for maximum effect. SubQ injection on empty stomach.

Half-life

15–60 minutes

Detection

Non détecté usuellement

Injectable

Dosages

Beginner100 mcg × 2/j
Intermediate100 mcg × 3/j
Advanced200 mcg × 3/j
Female100 mcg × 2/day

Frequency : 2-3× / day (fasted or 2h post-meal)

Effects

  • Pulsatile GH secretion ++
  • Increase in IGF-1
  • Highly stimulated appetite
  • Recovery
  • Sleep quality

Side effects

  • Excessive appetite (ghrelin)
  • Slightly elevated cortisol and prolactin
  • Mild water retention
  • Numbness

Support supplements

CJC-1295 (mandatory synergy)ZincVitamin D3

Synergies & stacks

CJC-1295 (classic stack)GHRP-6IpamorelinMK-677

Avoid

  • With meals (insulin blocks GH)
  • Continuous use > 6 months (desensitization)

AnaProtoKol is a health and performance tracking tool. This information is provided for educational purposes only and does not constitute medical advice. Consult a qualified healthcare professional before starting any protocol.

Sources

Studies and scientific publications this guide relies on.

  1. Bowers CY, Momany FA, Reynolds GA, et al. (1984). On the in vitro and in vivo activity of a new synthetic hexapeptide that acts on the pituitary to specifically release growth hormone. Endocrinology. doi: 10.1210/endo-114-5-1537

    Article fondateur de Bowers : premier GHRP synthétique caractérisé chez l'animal et l'humain — libération dose-dépendante de GH par l'hypophyse sans relargage de LH/FSH/TSH/prolactine, preuve de concept de la voie distincte de la GHRH.

  2. Kojima M, Hosoda H, Date Y, et al. (1999). Ghrelin is a growth-hormone-releasing acylated peptide from stomach. Nature. doi: 10.1038/45230

    Article Nature : identification de la ghréline comme ligand endogène du GHS-R1a — GHRP-2 est un agoniste plus puissant que GHRP-6 sur ce récepteur, induit un pic GH marqué mais aussi une élévation de la prolactine et du cortisol.

  3. Sigalos JT, Pastuszak AW (2018). The Safety and Efficacy of Growth Hormone Secretagogues. Sexual Medicine Reviews. doi: 10.1016/j.sxmr.2017.02.004

    Revue clinique : GHRP-2 demi-vie très courte (15-60 min), schéma 2-3 injections/j SC, profil de tolérance court terme acceptable mais effets secondaires plus marqués que ipamorelin (faim, élévation prolactine et cortisol modeste).

  4. Pope HG Jr, Wood RI, Rogol A, et al. (2014). Adverse health consequences of performance-enhancing drugs: an Endocrine Society scientific statement. Endocrine Reviews. doi: 10.1210/er.2013-1058

    Énoncé Endocrine Society : GHRP-2 et famille GHRP partagent le profil sécrétagogue (élévation GH endogène, IGF-1 modeste) avec un signal de tolérance acceptable à court terme — données long terme limitées.

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AnaProtoKol is a health and performance tracking tool. This information is provided for educational purposes only and does not constitute medical advice. Consult a qualified healthcare professional before starting any protocol.