Stop gambling on where you buy your peptides.
The calculator tells you how much to draw. The Verified Buyer's Manual tells you how to source the peptide itself without getting scammed or shipped underdosed product. Trace any compound back to the lab that made it, read a Certificate of Analysis and catch a fake, grade any seller before you pay, and price it right. A repeatable system, not a list of names that goes stale.
- How to read a lab report (COA) and spot a faked or misattributed one
- Source tracing: find verified sellers yourself from public test data
- The vetting grid: a yes-or-no scorecard for any seller
- Real cost-per-mg math so you never overpay
- Reconstitution, storage, and the first 72 hours after a package lands
Calculators by peptide
Each page presets the typical vial sizes and dose units for that compound and includes a reconstitution chart you can print or screenshot.
Weight loss / metabolic
Healing / recovery
Growth hormone
Mitochondrial / longevity
Cognitive / sleep
Other
Why this calculator shows its work
Most peptide calculators hand you a single number and hide how they got it. Then you try a second calculator, get a different number, and have no way to tell which one to trust. The FDA has documented people taking 5 to 20 times their intended dose of compounded peptides because of exactly that confusion between mg, mcg, mL, and syringe units.
This tool shows the entire chain on every result: total peptide in the vial, water added, the concentration that creates, your dose, the liquid that dose requires, and the syringe units that liquid equals. Six lines of arithmetic you can verify yourself. It also warns you when a number looks like a unit mixup, when a draw is too small to measure honestly, and when your water amount risks overflowing the vial.
Supplies you will need
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Get the 1-page Reconstitution Cheat Sheet
The formula, the unit conversions, a quick-reference dosing table, and the four checks to run before you inject. Free, sent straight to your inbox. Print it and keep it next to your vials.