The Peptrack Blog
Clear answers to the questions people actually search for about peptide reconstitution: the water, the syringes, the units and the math. Every article explains how things work. None of them tells you what to take.
How Much BAC Water to Add to a Peptide Vial
There is no single correct volume. The water you add does not change how much peptide is in the vial. It sets the concentration, and that decides where any amount lands on a syringe. Here is what the volume changes, what limits it, and the arithmetic behind it.
· 5 min readRead
- Syringes
How to Read Syringe Units for Peptide Dosing
The units printed on an insulin syringe measure volume. They say nothing about how much peptide is in the barrel until you know the concentration of the vial. Here is how the scale works, what each line is worth, and the arithmetic that links units to an amount.
· 5 min read
- Reconstitution
How to Reconstitute Peptides: A Step-by-Step Guide
Reconstitution has a physical half and a numerical half. A product’s own instructions govern the first. Arithmetic governs the second. This walk-through takes both in order: what the label decides, what FDA-approved instructions actually say about mixing, and the math from vial to syringe mark.
· 6 min read
- Units
mcg vs mg: Understanding Peptide Measurements
One milligram is a thousand micrograms. Vials are labelled in mg, amounts are often written in mcg, and the gap between them is where the largest arithmetic errors come from. Here is how the units relate, how to convert them, and where mL, syringe units and IU fit in.
· 5 min read
- Storage
Peptide Storage: How to Store Reconstituted Peptides
“Keep it in the fridge for a month” is repeated everywhere and is not a fact. FDA-approved labels for reconstituted products range from “use immediately” to 60 days, and two of the five we checked say never to refrigerate the mixed vial. Here is what decides storage, and what nobody knows.
· 6 min read
- Syringes
U-100 vs U-50 vs U-40 Syringes Explained
The U number tells you how a syringe’s scale is printed. U-100 and U-40 are genuinely different scales, and the same mark on each is a different volume. “U-50” is usually not a scale at all, just the 0.5 mL size of a U-100 syringe. Here is how to tell them apart and convert between them.
· 6 min read
Rather skip the reading? Use the calculators.
The same arithmetic these articles explain, done for you in the browser. No signup, and they never suggest an amount.
Peptide Calculator
Reconstitution and dose math with a visual syringe showing the fill line.
Open calculatorReconstitution Calculator
Turn vial size and water volume into a concentration in mg/mL and mcg per unit.
Open calculatorBAC Water Calculator
Compare water volumes to find one that lands your value on an easy syringe mark.
Open calculatorPeptide Dosage Calculator
Convert an amount in mcg or mg into mL and U-100 syringe units.
Open calculator
Stop redoing the math. Start keeping records.
Peptrack saves each vial's concentration, logs every dose you record and reminds you on the schedule you set. 100% free, with no ads.
Free on iOS & Android. A record-keeping tool, not medical advice.