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Peptide dosage reference for the US and Canada
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ARA-290 10 mg vial: mixing and syringe units

A 10 mg vial of ARA-290 mixed with 1 mL of bacteriostatic water is 10 mg/mL. At that strength 1 mg is 10 units on a U-100 syringe and 8 mg is 80 units. The doses on this page are the doses given in human trials, because there is no approved label.

Last checked 10 Oct 2026

10 mg vial

Water 1 mL

Concentration 10 mg/mL

US Not approved

Canada Not authorized

Checked 10 Oct 2026

ARA-290 10 mg draw chart

Each row is one dose, the volume to draw and where that sits on a U-100 insulin syringe. The last three columns show which syringe sizes can hold it in one draw.

ARA-290 10 mg vial with 1 mL of bacteriostatic water, 10 mg/mL. Once daily for 28 days.
DoseVolumeSyringe units0.3 mL syringe0.5 mL syringe1 mL syringe
1 mg0.10 mL10 unitsYesYesYes
4 mg0.40 mL40 unitsNoYesYes
8 mg0.80 mL80 unitsNoNoYes

Source Doses given in the sarcoidosis and type 2 diabetes small fiber neuropathy trials (Mol Med 2013 and 2015, Invest Ophthalmol Vis Sci 2017). Most used 4 mg. Vial math is arithmetic.

Open it in the calculator

How to mix a 10 mg ARA-290 vial

  1. Wash your hands. Wipe the stopper of the ARA-290 vial and the water vial with an alcohol swab.
  2. Draw 1 mL of bacteriostatic water into a syringe.
  3. Push the needle through the stopper of the peptide vial and let the water run slowly down the glass, not straight onto the powder.
  4. Swirl the vial gently until the powder is gone. Do not shake it.
  5. Write the date and 10 mg/mL on the vial, then put it in the fridge.

If you add a different amount of water

More water makes each dose a bigger, easier draw. Less water makes it smaller. The milligrams in the vial do not change.

Water addedConcentration1 mg4 mg8 mg
1 mL10 mg/mL10 units40 units80 units
2 mL5 mg/mL20 units80 units160 units
3 mL3.3333 mg/mL30 units120 units240 units

The marked row is the amount used in the chart above. Red cells are draws under 5 units, which are hard to read, or over 100 units, which one 1 mL syringe cannot hold.

How many doses are in the vial

DoseWhole doses in a 10 mg vial
1 mg10 doses
4 mg2 doses
8 mg1 dose

How long the vial lasts depends on how often it is used. The reported frequency for ARA-290 is: once daily for 28 days.

ARA-290 10 mg vial questions

How many units is 1 mg of ARA-290 from a 10 mg vial?

With 1 mL of bacteriostatic water the vial is 10 mg/mL. 1 mg is 0.10 mL, which is 10 units on a U-100 syringe.

How many units is 4 mg of ARA-290 from a 10 mg vial?

With 1 mL of bacteriostatic water the vial is 10 mg/mL. 4 mg is 0.40 mL, which is 40 units on a U-100 syringe.

How many units is 8 mg of ARA-290 from a 10 mg vial?

With 1 mL of bacteriostatic water the vial is 10 mg/mL. 8 mg is 0.80 mL, which is 80 units on a U-100 syringe.

How much bacteriostatic water goes in a 10 mg ARA-290 vial?

1 mL is the amount used on this page. It gives 10 mg/mL and puts the doses at 10, 40, 80 units. Any amount works as long as the math is redone for it.

What if I added 2 mL instead of 1 mL?

The vial would be 5 mg/mL instead of 10 mg/mL, so 1 mg would be 20 units instead of 10. The dose in the syringe is the same; only the volume changes.

How many doses are in a 10 mg ARA-290 vial?

Whole doses in one vial: 10 at 1 mg, 2 at 4 mg, 1 at 8 mg.

More on ARA-290

This page is only the math for one vial size. Where the doses come from, what the studies found, the side effects and the sources are on the main page.

ARA-290 dosageWhat ARA-290 isHow to mix a vialHow to read a syringe

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