How do I store, handle, and inject tesamorelin?
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Belle Answers · Tesamorelin · Updated Oct 13, 2026
Store tesamorelin in the refrigerator, away from direct light. Do not freeze it.
Your vials are good for 90 days from the date the pharmacy mixed them, not 90 days from the day they arrived. The date to check is the one on each vial rather than the box. A vial past that date is a reorder: message us and we will get you a fresh one.
If it has been left out, put it back in the refrigerator right away and message us with how long it was out. The safe time depends on which pharmacy filled your order, and we'll check it for you. Do not use any solution that looks cloudy or has particles in it.
When your shipment arrives
Your tesamorelin arrives already mixed and ready to use. Open the package promptly and move the vials to the refrigerator. Each 8-week box has 2 vials of 15 mg (3 mg/mL, 5 mL) and 40 syringes, one for each dose. If your shipment was delayed or arrived warm, contact us before using it.
When to take it
Tesamorelin is taken at night, 5 nights a week, on an empty stomach.
Every part of that has a reason:
- At night, because your body releases most of its growth hormone while you are asleep, so night dosing works with the rhythm you already have.
- On an empty stomach: no food for 1 to 2 hours before your injection. Eating triggers insulin, and insulin blunts the growth hormone release you are taking tesamorelin for. Alcohol blunts it too. This is not a rule for the sake of a rule; a meal beforehand measurably reduces the effect.
- Five nights rather than seven, because constant stimulation makes the receptor less responsive. The two nights off keep your dose working for the full cycle.
Tesamorelin is given at a fixed dose your provider sets: you take the same amount each night rather than titrating up on your own. The standard dose is 0.75 mg, which is 25 units on your syringe.
It runs in cycles of 8 weeks on, then 2 weeks off. Your exact dose and schedule are printed on your prescription label, and your label is always the one to follow. If your order was placed before September 30, follow the directions on your own label.
Where and how to inject
Tesamorelin is injected subcutaneously, just under the skin, not into a muscle or a vein. The most common sites are:
- The abdomen, at least two inches from the belly button
- The outer thigh
- The back of the upper arm, if you have someone to help
Wipe the top of the vial and your skin with an alcohol swab, use a fresh needle every time, and put used needles in a sharps container. Rotate your sites and do not inject the same spot twice in a row.
Starting, stopping and restarting
There is no taper. At the end of a cycle you stop, take your 2 weeks off, and start your next cycle at the dose your provider sets. If you want to skip the break, that is a question for your provider: message us and we will ask.
Education only, not medical advice.
