Tesamorelin is a synthetic growth hormone–releasing hormone (GHRH) analog that stimulates the pituitary gland to release the body’s natural growth hormone.

In clinical studies, Tesamorelin has been researched for reducing visceral abdominal fat and improving metabolic markers, particularly in individuals with metabolic complications.

Rather than supplying growth hormone directly, Tesamorelin signals the body to produce its own, helping maintain natural hormone rhythms.

• Add 2.0 mL bacteriostatic water → final concentration 5.0 mg/mL

• This concentration allows easy daily measurement

• 0.5–2 mg once daily (gradual escalation recommended)

• Conservative escalation → 0.5 mg → 1 mg → 1.5 mg → 2 mg

• Clinical trials most commonly used 2 mg daily

• At 5.0 mg/mL → 1 unit = 0.01 mL ≈ 50 mcg on a U-100 insulin syringe

Lyophilized (freeze-dried):

• Freeze at −20 °C (−4 °F)

Reconstituted:

• Refrigerate at 2–8 °C (35.6–46.4 °F)

• Use within 2–4 weeks

Frequency: Once daily, subcutaneous.

Timing: Often administered before bedtime to align with natural growth hormone release patterns.

Draw 2.0 mL bacteriostatic water

Inject slowly down the vial wall (prevents foaming)

Gently swirl or roll — never shake

Label with reconstitution date

Refrigerate (2–8 °C) and protect from light

You get a clean 5.0 mg/mL concentration, which allows easy dose measurement across all dosing phases.

• 4-week protocol: ~2 vials

• 12-week protocol: ~6–8 vials

• 24-week protocol: ~14–16 vials

• 1 per day

• 4 weeks: 28

• 12 weeks: 84

• 24 weeks: 168

• 4 weeks: ~4 mL

• 12 weeks: ~16 mL

• 24 weeks: ~32 mL

• 2 per injection

• 4 weeks: 56

• 12 weeks: 168

• 24 weeks: 336

Support reduction of visceral abdominal fat, improved metabolic markers, and optimized growth hormone signaling.

• Once-daily injections

• Gradual escalation → 0.5 mg → 1 mg → 1.5 mg → 2 mg

• Clinical trials commonly used 2 mg daily

2.0 mL → 5.0 mg/mL for simple dosing math

Freeze lyophilized; refrigerate reconstituted solution.

• Store frozen at −20 °C or colder

• Protect from moisture and light

• Refrigerate at 2–8 °C

• Use within 2–4 weeks

• Let frozen vials reach room temperature before opening

• Avoid heat or direct sunlight

• Minimize freeze–thaw cycles

• Aliquot for long-term storage if necessary

• Stay consistent — inject at the same time each day

• Evening injections are common due to natural nighttime GH release

• Use a new sterile syringe every time

• Rotate injection sites (abdomen, thighs, upper arms)

• Start lower (0.5–1 mg) if sensitivity occurs

Tesamorelin stimulates growth hormone release from the pituitary gland.

This leads to increased levels of IGF-1, a hormone that helps regulate metabolism, tissue repair, and fat utilization.

Growth hormone signaling supports:

Fat metabolism and fat breakdown

Lean body composition

Tissue recovery and metabolic function

In clinical studies:

Tesamorelin significantly reduced visceral abdominal fat

Participants showed improvements in lipid markers and waist circumference

Long-term studies demonstrated sustained reductions in trunk fat mass

• Reduction in visceral abdominal fat

• Improved metabolic markers

• Support for natural growth hormone production

• Daily dosing allows steady hormone signaling

• Mild water retention or swelling

• Joint stiffness or muscle discomfort

• Injection site redness or irritation

• Temporary tingling sensations

Most side effects reported in studies were mild and manageable.

• Maintain a protein-forward diet to support lean mass

• Stay well hydrated

• Add resistance training 2–3× per week

• Prioritize 7–9 hours of sleep

• Consistent daily timing helps maintain hormone rhythm

• Wash hands

• Clean vial stopper

• Clean injection site

• Draw correct dose

• Remove air bubbles

Pinch about 1 inch of skin

Insert needle at 90° (45° if very lean)

Inject slowly

Remove needle straight out

Dispose in sharps container

• Refrigerate vial

• Rotate injection sites daily

• Monitor for redness or swelling
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