What I Wish I Knew Before I Started
A free, plain-English guide to choosing, mixing, dosing, storing and sourcing peptides, without the expensive mistakes.

Retatrutide, KLOW, tesamorelin and more, with the evidence behind each.
How to vet grey-market sellers with real lab data.
Syringes, pens, needles and cartridges worth the money.
Step-by-step mixing, the math, schedules and warning signs.
Freezer and fridge setup so your peptides last.
Free forever. Tips keep it updated.
Everything recommended in the guide, in one place. Check each listing before you order.
Hydrapeak 32oz Vacuum Insulated Food JarBuy 3: two for the freezer, one for the fridge.View on Amazon →
Silicone 3 mL Vial Inserts for Hydrapeak 32ozOne set per jar. Pick “1 short + 2 tall.”View on Amazon →
Gansulin Peptide PenTop pick. All-metal, automatic, 1–60 units.View on Amazon →
ConviPenBudget pick. Takes standard 3 mL cartridges.View on Amazon →
saekult Magnetic 2-Pen CaseMy favorite case. Holds two pens plus needles and pads.View on Amazon →
3 mL Cartridge Holder with Purge TowerHolds cartridges upright for easier filling.View on Amazon →
GLUCO-CARE Plus Pen Tips 33G × 4mmThinnest. 200 needles.View on Amazon →
iHome Pen Tips 32G × 4mmBudget. 100 needles.View on Amazon →
3 mL Peptide Pen Cartridges40 pack, sterile, sealed.View on Amazon →
3 mL Luer Lock Syringe, 25G needle attachedSimplest. Fully assembled, 50 count.View on Amazon →
BH Supplies 3 mL Luer Lock SyringesNo needle, 100 count. Pair with 30G needles.View on Amazon →
30G × ½" Luer Lock NeedlesGentlest. Doubles as the escape needle.View on Amazon →
GLUCO-CARE 1 mL, 31G × 5/16"Best value. 100 count.View on Amazon →
UltiCare 1 mL, 31G × 5/16"Trusted brand. 100 count.View on Amazon →
BD Ultra-Fine 1 mL, 31G × 5/16"Name brand. 90 count.View on Amazon →As an Amazon Associate I earn from qualifying purchases. Buying through these links costs you nothing extra and helps keep the guide free.
This guide is free and will stay free. If it saved you a mistake and you have a few dollars to spare, I’d be grateful. If not, share it and stay safe.
Tip on Venmo · @UnofficialPlaybook