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Tesamorelin vs Growth Hormone: Safety Profile Comparison

Injection Site Reactions 35% (mild-moderate, typically resolving by 12 months) 10–15% (similar localized reactions) Tesamorelin's higher rate likely reflects daily dosing frequency and reconstitution vehicle pH Glucose Dysregulation Risk 5.8% develop impaired

This comparison does not assign a generated winner or score.

  • Injection Site Reactions
  • 35% (mild-moderate, typically resolving by 12 months)
  • 10–15% (similar localized reactions)
  • Tesamorelin's higher rate likely reflects daily dosing frequency and reconstitution vehicle pH
  • Glucose Dysregulation Risk
  • 5.8% develop impaired fasting glucose; 3.2% progress to diabetes over 2 years
  • 15–25% develop impaired glucose tolerance; 8–12% progress to diabetes
  • GHRH preserves pulsatile secretion and feedback inhibition, reducing sustained hyperglycemia risk
  • IGF-1 Supraphysiological Elevation
  • <6% exceed 350 ng/mL
  • 40–60% exceed 400 ng/mL with standard dosing
  • Feedback regulation intact with tesamorelin; exogenous GH bypasses hypothalamic control
  • Lipid Panel Changes
  • LDL ↓8–12%; HDL ↓4–6%; TG variable
  • LDL ↓10–15%; HDL ↑5–10%; TG ↓15–20%
  • Exogenous GH shows more favorable lipid profile. Mechanism for tesamorelin's HDL reduction unclear
  • Discontinuation Due to AEs
  • 6.2% over 26 weeks
  • 12–18% over 26 weeks
  • Lower dropout rate with tesamorelin reflects milder systemic effects of pulsatile vs continuous GH exposure
  • Serious Adverse Events (hospitalization, death)
  • 1.8% (no difference vs placebo)
  • 3–5% (marginally higher than placebo in long-term studies)
  • Tesamorelin's MACE rate indistinguishable from placebo; exogenous GH shows slight elevation in older cohorts
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