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Peptide Therapy GuideClear peptide education

Understand the source comparison

Peptide Patient Education: Discuss Patients' Metabolic & Cognitive Compound Comparison

Growth Hormone Secretagogues (MK 677, CJC-1295) Anabolic signaling, tissue repair studies Daily to weekly depending on compound half-life –20°C (lyophilised), some formulations room-stable 14–28 days at 2–8°C Injection timing relative to food intake (fasted st

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This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.

  • Growth Hormone Secretagogues (MK 677, CJC-1295)
  • Anabolic signaling, tissue repair studies
  • Daily to weekly depending on compound half-life
  • –20°C (lyophilised), some formulations room-stable
  • 14–28 days at 2–8°C
  • Injection timing relative to food intake (fasted state optimises GH pulse), expected appetite increase during first 2 weeks, blood glucose monitoring if diabetic
  • Neuropeptides (Cerebrolysin, Dihexa, P21)
  • Cognitive function, neuroplasticity research
  • Daily to 3x weekly depending on protocol
  • –20°C for lyophilised formulations
  • 14–21 days at 2–8°C (shorter than metabolic peptides)
  • Cognitive assessment baseline required, avoid alcohol during study period, subjective effects often delayed 4–6 weeks, not a nootropic 'buzz'
  • Metabolic Modulators (Tesofensine, SLU PP 332)
  • Energy expenditure, thermogenesis studies
  • Daily to twice daily depending on compound
  • Room temperature for some formulations, –20°C for others
  • Varies. Some stable 30+ days refrigerated
  • Heart rate and blood pressure monitoring required, dose-dependent appetite suppression, avoid taking within 6 hours of bedtime (stimulant-class effects)
  • Immune Modulators (Thymalin, KPV)
  • Thymic function, inflammatory response research
  • 2–3x weekly for most protocols
  • –20°C (strict. Thymic peptides are especially fragile)
  • 14 days at 2–8°C maximum
  • Effects are not subjectively noticeable (immune markers measured via lab work), injection site reactions more common than with metabolic peptides, concurrent infection may alter response