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Step 3: Choose the Injection Site For intramuscular injection , common sites include: Deltoid muscle (upper arm) best for adults with adequate muscle mass Vastus lateralis (side of the thigh) ideal for self-injection Ventrogluteal or dorsogluteal (buttocks) often used in clinical settings Clean the site with an alcohol swab and allow it to dry

Our medically led team will consult with you prior to treatment

This is clinical education, not medical advice

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The chemical structure of GHK is depicted in Figure 1A

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