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Peptide Dosages | DosageFacts

Peptide dosage reference for the US and Canada
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Common questions

Short answers about vial math, syringe units and how the pages on this site are put together. Questions about one peptide are answered on its own dosage page.

Last checked 10 Oct 2026

Questions and answers

How do I work out a peptide dose in units?

Divide the milligrams in the vial by the millilitres of water added to get mg/mL. Divide the dose in mg by that to get mL. Multiply by 100 to get units on a U-100 syringe.

Are syringe units the same as IU?

No. Syringe units measure volume: 100 units is 1 mL. IU measures how active a substance is and is different for every substance.

How much bacteriostatic water do I add?

Any amount works if the math is done for it. Each dosage page gives an amount for each vial size that puts the doses on readable lines.

Why does the same dose have different units on different pages?

Because units depend on the vial size and the water. 250 mcg is 5 units from a 10 mg vial mixed with 2 mL, and 10 units from a 5 mg vial mixed with 2 mL.

What does "reported range, not a label dose" mean?

The numbers in the chart are what people report using. No human trial has tested them and no regulator has approved them. The page lists whatever human studies do exist.

What does "trial doses, no label" mean?

The doses were given to people in a published study, and the study is linked. No regulator has approved the product, so there is no label.

Where do the legal statuses come from?

The US status is checked against Drugs@FDA and the Canadian status against Health Canada's Drug Product Database. Each page shows the date it was checked.

Why do some pages have no dose chart?

Because no human dose exists for that peptide. The page says what the research covers instead of filling the gap with a number.

How often are the pages checked?

Every page shows a last-checked date and a change log. When a label or a status changes, the data is updated and every page that uses it changes with it.

Can you tell me what dose to take?

No. This site shows what labels, trials and reports say, and how the vial math works. A licensed professional who knows your health is the person to ask about a dose.

Which syringe do the charts assume?

A U-100 insulin syringe. The vial-size pages also show whether each dose fits a 0.3 mL, 0.5 mL or 1 mL syringe.

I found a mistake. How do I report it?

Use the contact page. Say which page and which number, and include a source if you have one. Corrections are logged on the page.

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DosageFacts is an information site. It is not medical advice. Talk to a licensed professional before using any medication.