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Vitamin B1 (thiamine): Known for its positive effect on nerve health and metabolic processes
Bergan 2006)
Invert the vial and draw the dose: Flip the vial upside down, keeping the needle inside Make sure the needle tip stays submerged in the liquid Slowly pull the plunger to your correct dose Remove air bubbles by flicking the syringe, then gently push the plunger to adjust the level Double-check that the syringe is filled to the correct unit marking Step 4: Pinch the Skin and Prepare to Inject Use your non-dominant hand to pinch at least 2 inches of fatty tissue If the pinched area feels tight, use a 45-degree angle to avoid reaching the muscle If the area is loose enough, a 90-degree angle is appropriate Step 5: Inject the Testosterone Insert the needle quickly and smoothly into the pinched skin Release the skin, then slowly push the plunger until all medication is injected Remove the syringe at the same angle it entered Immediately recap and discard the syringe in a sharps container After the Injection A small amount of soreness or redness at the site is normal Contact your provider if you experience swelling, persistent pain, or signs of infection Additional Tips Use a Sharpie to mark your usual dose on the syringe barrel for easy alignment Rotate injection sites each time to reduce the risk of irritation or tissue buildup Always confirm the dose before injecting Do not reuse needles or syringes Store your testosterone according to pharmacy instructions (usually at room temperature, away from light) Quick Summary Wash hands and clean the injection site Pull air into the syringe Insert into vial, inject air Withdraw testosterone to the correct dose Remove air bubbles Pinch fat, insert needle Inject slowly, fully depress the plunger Remove needle, discard in sharps container
