PinTrax articles
Articles
Rotation, reconstitution math, and keeping an injection record on your own phone.
Using a pen or a ready-to-use vial? See the guides.
More from PinTrax
How Many Doses in a 5mg Vial? Peptide Dose Math
How many doses in a 5mg vial? At 250mcg per dose, 20. Here's the formula that answers it for any dose, plus the syringe scale trap to avoid.
How to read a Certificate of Analysis (and a Janoshik report)
How to read a CoA: check the purity percentage, the measured quantity, the test method, and whether the report verifies with the issuing lab.
Injection site rotation: why it matters and how far apart to inject
Injection site rotation means moving each shot to fresh tissue. Keep injections 1 cm apart and spread them wide. Here's the research and the how-to.
Peptide reconstitution math: bac water, concentration, and syringe units
A peptide reconstitution calculator needs three numbers: vial mg, bac water mL, and target dose. Here are the three formulas and a worked example.