Tesamorelin (20 mg Vial) Dosage Protocol

Reconstitution and dosing guide for the 20 mg Tesamorelin vial — a GHRH analog researched for reducing visceral fat, prepared at 10 mg/mL for smaller injection volumes.

Quickstart Highlights

Tesamorelin is a stabilized analog of growth-hormone-releasing hormone (GHRH). It stimulates the pituitary to secrete growth hormone in a natural, pulsatile manner and is best known from research on reducing visceral (deep abdominal) adipose tissue. It is administered once daily by subcutaneous injection.

  • Composition: 20 mg Tesamorelin per vial
  • Reconstitute: Add 2.0 mL bacteriostatic water → 10 mg/mL concentration
  • Easy measuring: At 10 mg/mL, 1 unit (0.01 mL) on a U-100 syringe = 100 mcg (so 2 mg = 20 units)
  • Storage: Lyophilized: −20 °C (−4 °F); reconstituted: 2–8 °C (35.6–46.4 °F), protected from light, use within 2–4 weeks

Dosing & Reconstitution Guide

Once-daily subcutaneous protocol; the standard studied dose is 2 mg daily

Daily Subcutaneous Protocol (20 mg vial, 2 mL = 10 mg/mL)

Protocol Daily Dose Units (U-100) mL
Standard2 mg (2,000 mcg) once daily20 units0.20 mL

Administration: Inject 2 mg once daily subcutaneously, typically at night on an empty stomach. At 10 mg/mL the injection volume is half that of a 5 mg/mL prep; a 20 mg vial provides about 10 days at the standard dose.

Reconstitution Steps

  1. Allow the vial to reach room temperature (15–20 minutes out of cold storage).
  2. Draw 2.0 mL bacteriostatic water with a sterile syringe.
  3. Inject slowly down the vial wall to avoid foaming.
  4. Gently swirl or roll until fully dissolved (do not shake).
  5. Label with date and concentration; refrigerate at 2–8 °C, protected from light.

Result: 10 mg/mL concentration

How This Works

Tesamorelin binds GHRH receptors on the pituitary, increasing the amplitude of natural GH pulses and downstream IGF-1. Its modifications give it greater stability than native GHRH while preserving the body's pulsatile rhythm.

In clinical research it is most associated with reductions in visceral adipose tissue. The standard studied dose is 2 mg once daily.

Key Administration Notes

References

New England Journal of Medicine (2007)
Falutz J, et al. Tesamorelin, a GHRH analogue, for HIV-associated abdominal fat accumulation. View Source
Journal of Clinical Endocrinology & Metabolism (2010)
Stanley TL, et al. Effects of tesamorelin on visceral fat and metabolic indices. View Source

⚠️ Research & Educational Purposes Only

This information is provided for research and educational purposes only. The compounds discussed are intended for laboratory research use only and are not approved for human consumption. Always consult qualified healthcare professionals for medical advice. Individual results may vary. This is not medical advice.