How to correctly mix and administer Tesamorelin injection
This is a detailed, step-by-step technical guide on how to prepare (reconstitute) and inject Tesamorelina. Given that it is an extremely fragile peptide, the manipulation technique is as important as the dose: if you do it wrong, you will rupture the molecular structure and you will be injecting yourself with “expensive water” without effect.
⚠️ SECURITY WARNING:
Hygiene: This is a medical procedure. Sterility is non-negotiable to avoid infections (abscesses).
Legality: In Spain, self-medication with injections carries risks. Always follow your doctor's instructions if you have a prescription.
- El Material Necesario (“Mise en place”)
Before starting, place everything on a clean surface (table disinfected with alcohol).
- The Tesamorelina Vial: Sold in octopus (lyophilized), generally a white disc at the bottom of a glass jar.
- The Dilutee:
Bacteriostatic water: This is sterile water with 0.9% of benzyl alcohol. It is mandatory if you use the vial several times (multidosis), as this prevents bacteria from growing.
Water for Injection (Sterile): Only valid if you are using the entire vial at the same time (monodosis). Once open, if there is any leftovers, you have to take them out.
- Mixing Syringe (Optional but recommended): A 2ml or 3ml syringe with a wide needle (21G or 23G) to coerce the water.
- Administration Syringe: Insulin syringe (1ml or 0.5ml) with fine fixed needle (29G, 30G or 31G). This is what you will use to pinch.
- Alcohol wipes: To disinfect.
- Step 1: Reconstitution (Mezclar el Polvo)
This is the critical moment where most people break the peptide.
- Disinfection: Remove the plastic covers from the veins (polvo and water). Clean the gum pads vigorously with an alcohol wipe. Let it dry for a few seconds.
- Cargar el Agua:
Take the large syringe. Vacuum the required amount of water.
Standard: Normally add 2 ml of water to a 2 mg vial (1 mg/ml) according to your specific protocol.
- Inject the Water into the Polvo (LA REGLA DE ORO):
Insert the needle into the Tesamorelina vial.
DO NOT inject water directly onto the octopus. Pressure crying can break the peptide.
Point at the glass wall: Tilt the vial slightly and inject the water with lots of space so that it bounces off the crystal and touches the octopus gently.
- Dissolution (DO NOT SHAKE):
Once the water is in, you will see that the octopus starts to disappear.
NEVER shake the vial like a cocktail glass. This creates foam and destroys the molecule.
There are smooth circular movements (like moving a glass of wine) on the table until the solution becomes completely transparent.
Timing: It may take 1 or 2 minutes. Have patience. If there are lumps or the liquid is cloudy, do not use it.
- Step 2: Load the Dose
Once mixed, you must keep the vial refrigerated if you do not use it all.
- Prepare the Insulin Syringe: Remove the cap of the orange/red needle.
- Eliminate the Strand: If it is a multi-dose vial, first inject a quantity of air equivalent to your dosage into the vial (so that there is no void).
- Vacuum:
Put the vial down (vertical).
Make sure the tip of the needle is submerged in the liquid.
Remove the plunger until you mark (e.g. if you mixed 2ml of water with 2mg of octopus, 100 units of insulin syringe are equivalent to 1 mg).
- Quitar Burbujas:
If you see large air bubbles, give the syringe a few gentle strokes with your finger to make them rise.
Push the plunger gently to expel the air until a drop of liquid is released from the tip.
- Step 3: Subcutaneous Injection
Tesamorelina is injected into grease, not into muscle.
- Choose the Site:
The best area is the abdomen, around the lower back.
Always keep it at least 5 cm away from your shoulder.
Important: Do not pinch where you have scars, lunar scars or moratones. Rotate the site every day (right, left, up, down) to avoid lipodystrophy (hard fat bulges).
- Clean: Apply a new alcohol wipe to the skin area. Let it dry (if you pinch it with damp alcohol, it will dry).
- The Pellitz Technique:
With one hand, you can make a smooth mixture with a “michelín” of grease. This separates the fat from the muscle.
- Inject:
Hold the syringe like a dart.
Enter the tip with decision.
If it's low in grease: 45 degree angle.
If you have a lot of grease: 90 degree angle (perpendicular).
Push the plunger slowly (takes about 5-10 seconds). The peptides can flow quickly.
- To remove:
Wait 3 seconds with the needle inside to ensure that all the liquid is absorbed.
Saca la aguja rápido.
NO FREIGHTS in the area. Fleeting can damage the fabric or the drug. If a drop bleeds, press gently with dry cotton.
- Step 4: Storage and Design
- El Vial Mezclado:
You must immediately go to the nevera (2°C – 8°C).
The reconstituted Tesamorelina is very unstable. If you use bacteriostatic water, it lasts for about 2-3 weeks never. If you use normal water, you must remove what remains after the injection.
Protect the light (I put it in a box or at the bottom of the nevera).
- Las Agujas:
NEVER reuse a needle. The point becomes defiant and loses sterility.
Take the used syringe out of a rigid container (or empty plastic bottle of detergent if you don't have a yellow container) and return it to the SIGRE Point at your pharmacy.
Summary of Common Errors in Spain
❌ Shake the vial: Breaks the peptide.
❌ Use water or mineral: Deadly risk of infection.
❌ Do not wait until eating: Injecting with a full stomach nullifies the effect.
❌ Freeze: Never freeze the reconstituted vial (liquid), alone or octopus.
By following these steps, you ensure the maximum bioavailability of the drug and minimize the risk of infection or local pain.
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Phone: +1 (954) 638-1515

How to correctly mix and administer Tesamorelin injection
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