Dose calculator

Ipamorelin dose calculator

Convert any Ipamorelin dose into syringe units in real time, pre-filled with a 2 mg / 2 mL example.

iPhone · Free to download

Last updated: May 13, 2026

Vial (mg)

Diluent (mL)

Dose (mcg)

Dose unit

Draw on a U-100 syringe

0.02 units

Volume to draw

0.000 mL

Ipamorelin is a short-acting injectable peptide people use to trigger a clean pulse of their own growth hormone, usually for recovery, sleep, and body composition. It mimics the gut hormone ghrelin at a single receptor, which keeps GH release pulse-like and avoids meaningful spikes in cortisol or prolactin. Studies show clear short-term GH increases after each injection, which is why it's commonly stacked with CJC-1295. This page covers reconstitution math and per-injection logging cadence.

How the Ipamorelin dose calculator works

Ipamorelin doses sit in the 100-300 mcg range, taken 1-3 times daily. On a 2 mg vial mixed with 2 mL water (1 mg/mL), a 200 mcg dose draws 20 units. Most users pair this with CJC-1295 in a single combined draw.

The formula is volume in mL equals dose mg divided by concentration mg/mL, then volume times one hundred to get units on a U-100 insulin syringe. With a 1 mg/mL Ipamorelin solution and a 0.2 mg dose, the draw is 0.20 mL or about 20 units. Type any other dose and the unit count updates in real time — no spreadsheets, no guesswork.

Inputs that genuinely matter: concentration (which only changes when you reconstitute a new vial) and dose mass. Syringe type matters too, but only because U-100 vs U-40 changes the multiplier — almost every modern insulin syringe is U-100, which is why the math defaults to that. Edge cases worth flagging: switching from mcg to mg without checking the input unit, or carrying yesterday's unit count over to a new vial that was reconstituted with a different volume of BAC water.

Worked example

Walking one Ipamorelin dose through the math

The vial holds 2 mg of Ipamorelin, mixed into 2 mL of bacteriostatic water — concentration 1.00 mg/mL.
Your 0.2 mg dose ÷ 1.00 mg/mL = 0.200 mL of solution to pull.
Multiply by 100 (because U-100 means 100 units per mL): 0.200 × 100 = 20 units.
Double the dose to 0.4 mg and the unit count doubles to 40 — the relationship is linear at a fixed concentration.
Change the diluent volume and every one of these numbers moves; change the dose alone and only the last one does.

Ipamorelin titration ladder at this concentration

What different Ipamorelin dose steps draw on a U-100 insulin syringe at the example 1.00 mg/mL concentration.

Dose (mg)	Volume (mL)	Units (U-100)
0.1	0.100	10
0.2	0.200	20
0.4	0.400	40
0.8	0.800	80

Doubling the Ipamorelin dose doubles the unit count. Halving it halves the count. Step-ups under 5 units are hard to read accurately — re-reconstitute with more water if your titration hits that range.

Scenarios people actually run into

Three things that come up logging Ipamorelin

You're sitting at the 0.2 mg Ipamorelin step and your prescriber bumps you up. The new dose is double — 40 units instead of 20. Same vial, same syringe, twice the volume on the line.
Your fingers reach for the syringe and the unit count from last week is still in your head. Half the time that number is fine; the other half, the vial changed and the right answer moved. The calculator is the second pair of eyes.
You skipped a week. Ipamorelin cadence is 7 doses per week, and doubling up to "catch up" almost never reads how people expect — log the skip, then log the next normal dose.

Same-category neighbor

Ipamorelin next to GHRP-6

Both sit in the GH Secretagogue bucket — here's the dose math side by side on each one's example vial.

	Ipamorelin	GHRP-6
Example dose	0.2 mg	0.1 mg
Concentration	1.00 mg/mL	2.50 mg/mL
Units to draw	20	4

Want the full breakdown? GHRP-6 reference →

How Ipamorelin dosing is tracked

Research protocols often schedule Ipamorelin administration to coincide with the body's natural growth hormone pulses, such as late in the evening before sleep or following strenuous exercise. Cadence in these studies frequently involves daily administration, as seen in the 7-day-per-week example. To ensure precision, doses are measured using U-100 insulin syringes, which allow for accurate volume control when drawing from a reconstituted vial. For optimal signaling, doses are typically administered on an empty stomach to avoid the inhibitory effects of insulin and somatostatin on GH release.

The rationale for stacking Ipamorelin with a Growth Hormone-Releasing Hormone (GHRH) analog, such as CJC-1295 without DAC, is based on creating a powerful synergistic effect. This combination targets two distinct but complementary receptors in the pituitary gland: Ipamorelin activates the ghrelin receptor, while the GHRH analog activates its own receptor. Activating both pathways simultaneously has been studied to amplify the magnitude of the resulting GH pulse far more than either compound could alone, while still preserving the natural pulsatile pattern of release.

Research protocols designed to study ipamorelin often schedule administrations around specific metabolic states, particularly fasting. Because elevated blood glucose and subsequent insulin secretion can attenuate the GH pulse stimulated by GHS-R agonists, many study designs plan for administration in a fasted state, such as in the morning before any caloric intake or at least two to three hours after the last meal. By standardizing the prandial state, researchers can better control for variables that influence GH release. All such details, including the duration of the pre-administration fast, can be meticulously documented in a log to observe patterns with greater clarity.

Common Ipamorelin dose-calculation mistakes

Administering doses at inconsistent times of day, which compromises the ability to observe long-term trends related to its selective action.
Logging a combination like Ipamorelin/CJC-1295 as a single dose entry, which inevitably causes errors in vial inventory management for each separate peptide.
Failing to document the reconstitution date and diluent volume, which makes future dose calculations and expirations impossible to track accurately.

Frequently asked questions about Ipamorelin dose calculator

How does the Ipamorelin dose calculator turn mg into syringe units?

It runs two divisions in sequence. First it computes concentration (vial mg ÷ diluent mL) — for the example here that's 2 ÷ 2 = 1.00 mg/mL. Then it divides your dose by that concentration to get volume in mL, and multiplies by 100 to convert volume into U-100 syringe units. The output updates as you type so you can sanity-check before drawing. Ipamorelin's GH-pulse mechanism is the most selective in the secretagogue family — minimal cortisol or prolactin shift compared to GHRP-2/6.

Does the Ipamorelin dose calculator know which syringe I'm using?

It assumes a U-100 insulin syringe — the most common type for sub-cutaneous peptide injections. U-100 means 100 units per mL. If you're using a U-40 syringe (rare outside veterinary contexts) the unit count is wrong by a factor of 2.5. Tuberculin syringes read in mL directly, so on those just use the volume figure. Ipamorelin's GH-pulse mechanism is the most selective in the secretagogue family — minimal cortisol or prolactin shift compared to GHRP-2/6.

Why does the same Ipamorelin dose pull a different unit count today than last week?

Because either the vial or the diluent volume changed. Concentration depends on both. A 5 mg vial reconstituted with 1 mL is twice as concentrated as the same vial with 2 mL — same dose, half the units. Whenever you open a fresh vial, run the dose math again rather than carrying the prior count over. Ipamorelin's GH-pulse mechanism is the most selective in the secretagogue family — minimal cortisol or prolactin shift compared to GHRP-2/6.

What if my Ipamorelin dose lands at fewer than 5 units?

That's the calculator telling you the current vial is too concentrated for the dose you want. Five units on a U-100 syringe is hard to read accurately — the markings get tight. Reconstitute the next vial with more bacteriostatic water (commonly 2 mL instead of 1 mL) so each dose covers a larger, cleaner volume. Ipamorelin's GH-pulse mechanism is the most selective in the secretagogue family — minimal cortisol or prolactin shift compared to GHRP-2/6.

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