Vial duration

Ipamorelin vial duration calculator

Estimate how many weeks one 2 mg Ipamorelin vial covers at your dose and weekly cadence.

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Last updated: May 13, 2026

Vial (mg)

Dose (mg)

Doses / week

Total doses

Lasts

1.4 weeks

Ipamorelin weeks-of-supply at common cadences

How long one 2 mg Ipamorelin vial covers at a 0.2 mg per dose, for three weekly cadences. Total doses per vial: 10.

Doses per week	Total doses per vial	Weeks of supply
6	10	1.7
7	10	1.4
8	10	1.3

Math weeks-of-supply assumes every dose draws cleanly. Stability typically caps a reconstituted vial at 4–6 weeks of refrigerated use regardless of how much liquid remains.

Worked example

How long one Ipamorelin vial lasts, the long version

Total doses in the vial: floor(2 ÷ 0.2) = 10. The floor matters — a partial dose at the bottom doesn't count.
Cadence: 7 doses per week for Ipamorelin at this example step.
Math weeks-of-supply: 10 ÷ 7 = 1.4 weeks of liquid in the vial.
Stability ceiling: most reconstituted peptides are typically used within 4–6 weeks of refrigerated storage. Whichever number is smaller is the one that binds your refill date.
Doubling the dose roughly halves both numbers — and titration usually closes the gap between "math weeks" and "stability weeks" without you noticing.

Scenarios people actually run into

Three things that come up logging Ipamorelin

Math says one 2 mg Ipamorelin vial covers 1.4 weeks at 0.2 mg per dose. Stability typically caps a reconstituted vial at 4–6 weeks. Whichever number is smaller is the date on your refill calendar.
Titration up doubles the dose and halves the vial. A 12-week-on-paper vial becomes a 6-week vial the day you step up — order the next vial the same day you take the step.
Shipping windows are the silent third constraint. If your supplier runs 1–3 weeks, the refill order has to leave at least that long before "math weeks" or "stability weeks," whichever is binding.

Same-category neighbor

Ipamorelin next to Tesamorelin

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

	Ipamorelin	Tesamorelin
Vial	2 mg	5 mg
Cadence	7/wk	7/wk
Weeks of supply	1.4	0.7

Want the full breakdown? Tesamorelin reference →

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.

Planning Ipamorelin vials in real life

Ipamorelin vial planning depends entirely on dosing frequency. A 2 mg vial covers 10 doses at 200 mcg — that's 10 days at single-daily, 5 days at twice-daily, or 3 days at the triple-daily protocol some users run for sleep + recovery + GH-pulse stacking. Frequency, not dose size, is the binding constraint.

Stability is rarely an issue because the vial empties before the 4-6 week window closes. The bigger question is keeping pace with refill orders. Most triple-daily users keep 3-4 vials on hand at all times, reconstituting the next vial the day before the current one finishes. Single-daily users can run a more relaxed 1-vial-per-month rhythm.

Storage and shelf life for Ipamorelin

Lyophilized Ipamorelin powder awaiting reconstitution is stored in a refrigerated environment to maintain its integrity. Once reconstituted with a sterile diluent like bacteriostatic water, the vial containing the solution is also kept under refrigeration. The in-use solution is generally monitored over a planned period of use that typically spans several weeks.

How the Ipamorelin vial duration calculator works

A 2 mg ipamorelin vial covers 10 doses at 200 mcg. At one daily that's 10 days; at three daily (a common pre-workout / post-workout / bedtime split) it's 3 days. Triple-daily protocols burn vials fast — order ahead.

The formula is two divisions. Total doses per vial equals vial mg divided by dose mg, rounded down. Weeks of supply equals total doses divided by doses per week. With a 2 mg vial of Ipamorelin, a 0.2 mg dose, and 7 dose per week, the vial covers 10 doses, or about 1.4 weeks of supply.

The three inputs that move the answer: vial mg (set when you bought the vial), dose mg (set by your protocol step), and doses-per-week (set by the peptide's half-life). Once a vial is reconstituted it also has a stability ceiling — most lyophilized peptides reconstituted in BAC water are typically used within four to six weeks of refrigerated storage, so a vial that mathematically lasts twelve weeks may not last twelve weeks in practice.

Common Ipamorelin vial-planning mistakes

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 vial duration

How does the Ipamorelin vial duration calculator estimate weeks of supply?

It floors total doses (vial mg ÷ dose mg) then divides by doses per week. For this Ipamorelin example — a 2 mg vial, 0.2 mg per dose, 7 dose/week — that's floor(2 ÷ 0.2) ÷ 7 = about 1.4 weeks. Flooring matters: a partial dose left in the vial doesn't count. Triple-daily ipamorelin protocols use 3-4 vials per month — order in batches to avoid weekly shipping windows.

Should I plan refills around the math, or around stability?

Whichever runs out first. Math says Ipamorelin at the example dose lasts the calendar weeks shown above. Stability says most reconstituted peptides are typically used within 4–6 weeks of refrigerated storage regardless of how much liquid is left. If the math says 12 weeks but stability caps at 5, plan around 5 — and reconstitute the next vial with less water so you finish it in the stability window. Triple-daily ipamorelin protocols use 3-4 vials per month — order in batches to avoid weekly shipping windows.

Does titrating the Ipamorelin dose up shorten vial life?

Yes, often dramatically. Doubling the dose halves the doses-per-vial. The calculator shows real-time how a step-up changes the weeks-of-supply line, so you can re-time refill orders before a titration event rather than discovering the gap mid-protocol. Triple-daily ipamorelin protocols use 3-4 vials per month — order in batches to avoid weekly shipping windows.

What if I take Ipamorelin less often than the default cadence here?

Drop the doses-per-week field. With 7 dose/week the example vial lasts about 1.4 weeks; halving the cadence roughly doubles that, but you'll hit the stability ceiling first. A vial that mathematically covers 16 weeks rarely covers 16 weeks in practice. Triple-daily ipamorelin protocols use 3-4 vials per month — order in batches to avoid weekly shipping windows.

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