Supply list

Tick what you already have; the list remembers on this phone. Buy sterile, individually sealed items and check expiry dates. Never reuse or share needles, syringes, filters or pens.

Mixing

• Bacteriostatic water (BAC water)Sterile water with 0.9% benzyl alcohol, which keeps a multi-dose vial usable for about 28 days after the first puncture. 30 mL vials are common. Not plain sterile water, and never tap or bottled water.
• Alcohol prep pads70% isopropyl. For every vial stopper, cartridge septum and injection site, every time.
• Mixing syringes, 3 mL or 5 mL, luer-lockFor adding water and moving liquid. Luer-lock (screw-on) tips are needed for syringe filters.
• Drawing needles, 18–21GLarge needles that screw onto the mixing syringe for drawing water or thick oils. Blunt fill needles work too. Never inject with them.
• pH test stripsoptionalA rough check of BAC water: USP bacteriostatic water is pH 4.5–7.0. Put a drop on the strip from a syringe; never dip a strip into the vial. A pass does not prove the water is sterile.

Filtering

• Sterile syringe filters, 0.22 µmIndividually wrapped, 0.22 µm (not 0.45), PES or PVDF membrane: these bind very little peptide. Avoid nylon. 13 mm filters hold back less liquid than 25 mm. Luer-lock both ends. One filter per use.
• Sterile empty vialsSealed, sterile vials with a rubber stopper (3, 5 or 10 mL), to filter a mixed peptide into. Many are sealed under vacuum and pull the liquid in.
• Venting needles, 25–27GA spare needle pushed through a stopper or cartridge septum lets air out while liquid goes in.

Dosing with syringes

• U-100 insulin syringes0.3 mL (30 units, half-unit marks) for small doses, 0.5 mL (50 units) or 1 mL (100 units). 29–31G with a 6 mm or 8 mm (5/16") needle for under the skin. Always U-100.

Dosing with pens

• Reusable injection pen: V1, V2 or V3**Manual** refillable "peptide pens": your thumb pushes the dose in, so you control the speed. They take standard 3 mL cartridges and dial 1 unit per click. The V1 dials up to 80 units per injection; the V2 and V3 up to 60. Pick yours in the Pen calculator so it warns when a dose needs two injections.
• Gansulin (GanLee) penAn **auto-inject** reusable pen by Gan & Lee for 3 mL cartridges, often used with empty cartridges for peptides: press the button and a spring delivers the dose. 1 unit per click, up to 60 units per injection. Not for testosterone: it injects thick oil too fast.
• Empty 3 mL pen cartridgesSterile glass cartridges with a rubber septum (the metal-capped end) and a rubber plunger. Cartridge lengths vary slightly between brands: make sure yours fit your pen.
• Pen needles (pen tips)Screw-on needles that fit most pens: 32G 4 mm or 31G 5–6 mm. 4 mm works for most adults without pinching the skin. A new one every injection.
• Pen caseoptionalProtects the pen, and keeps it cool when you add a cold pack.

Testosterone and other oils

• Syringes, 1 mL or 3 mL, luer-lockOil is thick: luer-lock syringes let you swap from a drawing needle to an injecting needle.
• Injection needles for oilUnder the skin: 25–27G, ½–⅝ inch. Into the muscle: 22–25G, 1–1½ inch depending on the site and body fat.
• Pen tips for testosterone in a V pen29G, 10 mm to ½ inch (12.7 mm) long, for under-the-skin testosterone from a manual V1, V2 or V3 pen. Longer than peptide tips so the oil goes into the fat layer.

See Oil injections (testosterone) for how to use them.

Storage and travel

• Fridge thermometeroptionalMixed peptides need 2–8 °C (36–46 °F). Fridges run warmer or colder than their dial suggests.
• Labels and a fine markerFor every mixed vial and filled cartridge: peptide, concentration, date mixed.
• Insulated travel case and cold packsoptionalFor trips. Vials must not touch a frozen pack directly.
• Opaque storage boxoptionalKeeps light off vials in the fridge and keeps them upright and together.

Safety and cleanup

• Sharps containerAn FDA-cleared sharps container, or a heavy plastic bottle with a screw cap (a laundry detergent jug) labeled "Sharps: do not recycle".
• Gauze or cotton balls and bandagesFor light pressure after an injection.
• Soap or hand sanitizerClean hands before touching anything sterile.
• Nitrile glovesoptionalHandy when filtering or filling several cartridges.
• Clean tray or matoptionalA wiped-down surface just for your supplies.
• Magnifier or reading glassesoptionalHalf-unit marks on 0.3 mL syringes are tiny.

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