By now, you’ve got storage and reconstitution sorted. Next up? Getting comfortable with your injections. It can feel like a big deal at first, but trust us - with a little routine, it quickly becomes second nature.
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✨ Where to Inject
All peptides we supply are injected subcutaneously (just under the skin, not into muscle). The best sites are:
Abdomen - at least 5cm away from your belly button.
Thighs - front or outer area, avoiding veins.
Upper arm - back of the arm, if someone else is helping.
👉 Rotate sites each week. Sticking to the same spot can cause irritation or lumps.
✨ How to Inject
Reconstitute your vial of medication. Let it sit on the bench for 5 minutes before use to ensure air bubbles subside.
Wash and sanitise your hands. Some people choose to wear gloves.
Clean the injection site with an alcohol wipe. Wait at least 1 minute for the alcohol to air dry on the skin (otherwise it can sting!)
Wipe the top of the medication vial with an alcohol wipe.
Use a syringe to draw up the correct dose.
Draw air into the syringe first, and inject this air into the medication vial (helps with the pressure)
Pinch up a fold of skin gently between your thumb and fingers.
Insert the needle at a 90° angle (or 45° if you’re very lean).
Inject slowly and steadily - no need to rush.
Remove the needle, release the skin fold, and dispose of the syringe safely.
✨ What Not to Do
Don’t inject into muscle (ouch, and not effective).
Don’t inject into scars, stretch marks, bruises, or areas that feel hard.
Don’t re-use syringes - single use only, always.
Don’t skip the alcohol wipe - it’s there for a reason. If you skip swabbing the top of the vial, this increases the chance of bacteria getting in.
✨ Routine Builder Tips
Pair your jab with a weekly ritual (like Sunday night self-care or your favourite Netflix show).
Keep supplies together in a clean container so it’s grab-and-go.
Set a reminder in your phone or calendar so you never miss a dose.
Don't forget to also set a reminder to reorder before you'll run out.
✨ Injection Site Reactions
Injection site reactions can sometimes occur with GLP-1 medications and other peptides. These reactions are usually mild and temporary, and often become less noticeable as your body gets used to the medication over the first few weeks.
Common reactions may include:
Mild redness at the injection site
Slight swelling or a small bump under the skin
Itching or mild tenderness
Warmth around the injection area
For GHK-Cu - a red mark that lasts a couple of days, and a stinging sensation
Tips to help reduce irritation:
Rotate injection sites (stomach, thigh, or upper arm), and from left to right each week
Inject into clean, dry skin and ensure you've used an alcohol wipe
Allow refrigerated medication to reach room temperature before injecting
Avoid injecting into the exact same spot each time
For GHK-Cu - add more bac water to your syringe after you draw up the dose to further dilute the peptide and reduce the stinging sensation
Most injection site reactions settle on their own within a few hours to a day and are generally harmless. If irritation persists or worsens, it’s best to pause use and seek medical advice.
✨ Bonus Video: Getting the last dose out of a vial
It's important to measure each dose for injection very carefully, and not take too much. Even just 2 units extra can add up over a few doses.
If you get to the last dose in your vial, and it seems like it's not quite a full dose left, this could have happened for a few possible reasons:
You accidentally put in slightly less than the required units at the start. Eg. only 98 units (instead of 100) would mean you're already a little short.
You accidentally took a couple more units each dose - even 2 units extra (1 additional line on syringe) will mean you've lost 6 units over 3 doses
The last few units can pool around the grey rubber vial stopper. Then, if you stick the syringe in quite far, you could then be above the point where the liquid is pooling.
(Very rare) if the vial was stored on it's side some liquid can leak, but its very rare because you've got the grey rubber stopper on the top of the vial to prevent that happening.
In actuality, it's usually a combination of 1, 2 & 3. The same number of units you put into the vial should be there to draw back out again (it can't just disappear). I would suggest that you follow some of these tips in these couple of videos which show how to get the last remaining bits out of a vial, as this should help you.
✨ Still have questions?
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