Tools and guides
Peptide calculators, checkers, and guides
Pick what you need to do. Every calculator shows its math, and its sources where it uses a fact. None of the tools sells anything or names a seller.
The calculators do the math. They do not pick a dose. Talk with your doctor, nurse, or pharmacist before you use any number from this page. Ask them to work out the numbers on their own. You use these results at your own risk. The Peptide Field is not liable for any dose measured or taken with them.
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Vial calculators
Math for a peptide vial that comes as powder or already mixed. You type the numbers. None of them picks a dose.
Peptide reconstitution calculator
Type the amount in the vial, the water added, and your dose. See how many units to draw on a U-100 syringe.
Open the peptide reconstitution calculatorBAC water calculator
Type the amount in the vial, your dose, and the units you want each dose to fill. See how much water to add.
Open the BAC water calculatorPeptide units to mg calculator
Type the amount in the vial, the water added, and the units you draw. See how much is in that draw.
Open the peptide units to mg calculatorPeptide blend calculator
For a vial that holds two to four peptides. See how much of each part is in one draw.
Open the peptide blend calculatorPeptide cost calculator
Type the amount in the vial, your dose, and your schedule. See how long the vial lasts and what each dose costs.
Open the peptide cost calculator
Check a product or its paperwork
Use these with the vial, box, or lab report in front of you.
Prescription, compounded, or research vial?
Answer 5 yes or no questions to see which kind of product you have.
Start the 5 questionsRead a test report (COA)
Answer 10 questions about a lab report. See what it shows and what it cannot confirm.
Check a test reportApproval and research record
Search a peptide or brand name. See its FDA status, product labels, and research in people.
Look up a peptideFDA and sports status
See if an FDA-approved product exists, how FDA lists it for compounding, and whether sports rules ban it.
Check the statusIs it a peptide?
Look up a hormone, supplement, drug, or brand name to see if it is a peptide.
Look up a name
Side effects and safety
What studies and labels report, and what to do if you feel sick.
Side effects vs placebo
See how often a side effect happened on the medicine and on placebo, side by side.
Compare with placeboSide effects by peptide
Side effect tables from FDA labels and trials, with placebo rates where they exist.
Browse side effectsFeel sick after a peptide?
When to call 911, when to call a clinician, and a note to bring with you.
See what to do next
Compare and look up
Find a peptide, compare two, or check one claim.
Browse peptides
Search peptide records by name, topic, product type, or review status.
Browse peptidesCompare two peptides
See what studies show, what approval covers, and what is still uncertain, side by side.
Compare peptidesPeptide blends
Look up a blend like KLOW or GLOW and see each peptide in it, one at a time.
Look up a blendFact checks
See which statements about peptides the studies support and which remain unproven.
Read fact checks
Guides to start with
Short reads that explain the basics behind the tools.
What are peptides?
What a peptide is, how it differs from a protein, and where peptides are used.
Read the basicsApproved vs compounded
How an approved medicine differs from a compounded one, and why it matters.
Read the guideAre peptide injections safe?
The main risks, and what is known and not known.
Read the guidePeptide testing
What a lab test can and cannot tell you about a vial.
Read the guideHow to read peptide research
Tell a mouse study from a human trial, and a small study from a large one.
Read the guideAll guides
Every guide on the site.
See all guides