Ipamorelin 5 mg Vial: Reconstitution and Dosing Chart
How much bacteriostatic water to add to a 5 mg vial of Ipamorelin, the concentration you get, and a full dose-to-units chart.
- Vial size
- 5 mg
- With 2 mL water
- 2.5 mg/mL
- common choice
- 10 units contain
- 250 mcg
- at 2 mL, U-100
- Whole vial
- 200 units
- 2 mL on a U-100 scale
How much water to add
Bacteriostatic water only changes the concentration, not the amount of Ipamorelin in the vial. More water means more units per dose (easier to read), less water means fewer.
| Water added | Concentration | 10 units contain | 100 mcg is | Whole vial |
|---|---|---|---|---|
| 1 mL | 5 mg/mL | 500 mcg | 2 u | 100 u |
| 2 mL | 2.5 mg/mL | 250 mcg | 4 u | 200 u |
| 2.5 mL | 2 mg/mL | 200 mcg | 5 u | 250 u |
| 3 mL | 1.667 mg/mL | 166.7 mcg | 6 u | 300 u |
Calculator and full dosing table
Preset to the 5 mg vial. Change any value; the table below the result updates with it.
- Concentration
- 2.5 mg/mL
- Doses per vial
- 16
- Weeks (1 dose/wk)
- 16
12 units (0.12 mL) on a 1 mL U-100 syringe: 300 mcg from a 5 mg vial + 2 mL water (Ipamorelin).
Dosing table for a 5 mg vial
Syringe units (U-100) for each dose, by how much bacteriostatic water you add.
| Dose | 1 mL water | 2 mL water | 2.5 mL water | 3 mL water |
|---|---|---|---|---|
| 100 mcg | 2 | 4 | 5 | 6 |
| 200 mcg | 4 | 8 | 10 | 12 |
| 300 mcg | 6 | 12 | 15 | 18 |
| 500 mcg | 10 | 20 | 25 | 30 |
| 1000 mcg | 20 | 40 | 50 | 60 |
How the math works
Concentration is the vial's milligrams divided by the water you add. Volume to draw is your dose divided by that concentration. On a U-100 syringe, 1 mL is 100 units, so units = mL × 100.
300 mcg = 0.3 mg; 0.3 mg ÷ 2.5 mg/mL = 0.12 mL
0.12 mL × 100 = 12 units
What dose information exists for a 5 mg ipamorelin vial
Because the human trial gave ipamorelin intravenously per kilogram of body weight, its dose cannot be read as a fixed milligram amount for a vial.[3]
The rat doses on file are microgram-per-kilogram figures, which are animal doses and are left unconverted.[4]
Concentration of a 5 mg vial
A 5 mg ipamorelin vial mixed with 1, 2 or 3 mL of water is 5, 2.5 or 1.67 mg/mL.
Calculated from vial mg 5; water mL 1, 2, 3. Formula: mg/mL = vialMg / waterMl
On a U-100 syringe one unit (0.01 mL) of the 5 mg vial holds 50 mcg at 1 mL, 25 mcg at 2 mL and 16.7 mcg at 3 mL.
Calculated from vial mg 5; water mL 1, 2, 3; u100 units per mL 100. Formula: mcg per unit = vialMg x 1000 / (waterMl x 100)
Drawing up the whole 5 mg vial means 100 units at 1 mL, 200 units at 2 mL or 300 units at 3 mL of water, which is 1, 2 or 3 full 1 mL U-100 syringes.
Calculated from vial mg 5; water mL 1, 2, 3; u100 units per mL 100. Formula: total units = waterMl x 100; syringes = waterMl / 1 mL per syringe
Is 5 mg a labelled ipamorelin strength?
With no labelled ipamorelin product the 5 mg vial size has no FDA strength to compare against.
Calculated from vial mg 5. Formula: compare vialMg with each labelled strength in mg (none exist)
Common questions
How much water goes in a 5 mg vial of Ipamorelin?
That choice only changes the concentration. With 2 mL, a 5 mg vial is 2.5 mg/mL; with 1 mL it is 5 mg/mL. Less water means fewer units per dose and harder-to-read marks for small doses.
How many units is 100 mcg from a 5 mg vial?
With 2 mL of water, 100 mcg is 4 units on a U-100 syringe. With other water amounts, see the table.
How many doses are in a 5 mg vial?
Divide the vial size by the dose (in the same unit). The calculator on this page shows the number of whole doses for any dose you pick.
How much water for a 5 mg ipamorelin vial?
Water volume changes only the concentration: 5 mg in 2 mL is 2.5 mg/mL, or 25 mcg per unit.
Calculated from vial mg 5; water mL 2. Formula: mg/mL = vialMg / waterMl; mcg per unit = mg/mL x 10
More on Ipamorelin
Sources
- 1Metric (SI) Prefixes (NIST Reference on Constants, Units, and Uncertainty)National Institute of Standards and Technology (NIST) · 2025physics.nist.govAccessed 2 Oct 2026
- 2BASAGLAR (insulin glargine) injection, prescribing information (DailyMed)U.S. Food and Drug Administration / DailyMed (Eli Lilly and Company label) · 2026dailymed.nlm.nih.govAccessed 2 Oct 2026
- 3Prospective, randomized, controlled, proof-of-concept study of the Ghrelin mimetic ipamorelin for the management of postoperative ileus in bowel resection patients.International journal of colorectal disease · 2014PMID 25331030Accessed 2 Oct 2026
- 4The growth hormone secretagogue ipamorelin counteracts glucocorticoid-induced decrease in bone formation of adult rats.Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society · 2001PMID 11735244Accessed 2 Oct 2026
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