5 mg vial

HGH (Somatropin): a 5 mg vial

What a 5 mg vial of HGH (Somatropin) becomes once it is mixed, and what each dose reported in the sources draws to on a syringe. Every figure is arithmetic on the vial size in the heading — none of it is a recommendation, and the doses are the ones our sources describe rather than ones we picked.

Leading with

5 mg + 3 mL bacteriostatic water = 1.667 mg/mL

Chosen because it puts the reported doses on readable marks of a 1 mL U-100 syringe. Other volumes are perfectly valid — the dilution table further down covers them, and the concentration changes what every dose draws to.

What each reported dose draws to

At 1.667 mg/mL, on a 1 mL U-100 syringe. Every row names the source it came from, and a trial protocol and a community convention are not the same kind of information.

Reported doses for HGH (Somatropin), converted to syringe units for a 5 mg vial.
Goal	Dose	Units	Doses in this vial	Source
Adult growth hormone deficiencyDaily · Subcutaneous	200 mcg – 500 mcg	12 units – 30 units	25	Published review
Doses described in non-medical useDaily · Subcutaneous	660 mcg – 4 mg	from 39.6 unitstop of the range needs a second vial	7	Community practice

Check every figure against the vial in front of you before drawing. Vials are filled with an overage and labels are not a guarantee. Change any of these numbers in the calculator.

How long a vial lasts

Vials round up, because most of a vial is not a thing you can buy. Only doses with a stated continuous frequency appear here — anything described as a course, a range or “as needed” has no honest weekly rate, so it is left out.

Adult growth hormone deficiency

Daily

One 5 mg vial holds 10–25 doses at this dose, which is 1.4–3.6 weeks of use.

Supplies for Adult growth hormone deficiency, by cycle length.
Cycle	Doses	5 mg vials	Syringes	Bacteriostatic water
8 weeks	56	3–6	56	9 mL – 18 mL
12 weeks	84	4–9	84	12 mL – 27 mL
16 weeks	112	5–12	112	15 mL – 36 mL

Doses described in non-medical use

Daily

One 5 mg vial holds 0–7 doses at this dose, which is 0–1 weeks of use.

Supplies for Doses described in non-medical use, by cycle length.
Cycle	Doses	5 mg vials	Syringes	Bacteriostatic water
8 weeks	56	8–0	56	24 mL – 0 mL
12 weeks	84	12–0	84	36 mL – 0 mL
16 weeks	112	16–0	112	48 mL – 0 mL

Syringes assume one per dose and no wastage. Water assumes each vial is mixed at 3 mL. Neither accounts for a dropped vial, a bent needle or a dose you decide to change, all of which happen.

If you add a different amount of water

The same 5 mg of compound, at four common volumes. More water means a larger, easier-to-measure draw of a weaker solution; less water means the opposite. The amount of compound you inject is identical in every row — only the volume carrying it changes.

Concentration and draw volume for a 5 mg vial at four water volumes.
Water added	Concentration	200 mcg draws to
1 mL	5 mg/mL	4 units units · 0.04 mL
2 mL	2.5 mg/mL	8 units units · 0.08 mL
3 mLshown above	1.667 mg/mL	12 units units · 0.12 mL
5 mL	1 mg/mL	20 units units · 0.2 mL

Storage

Before mixing

Refrigerated at 2–8 °C. Do not freeze.

After mixing

Refrigerated at 2–8 °C, used within the period the manufacturer states, typically 14 to 28 days depending on the product.

Other vial sizes

The same compound, different arithmetic.

The full HGH (Somatropin) profile →Printable one-pager →

Arithmetic on the vial size named above and the doses our sources report. Nothing here is a recommendation, a protocol or medical advice, and no clinician has reviewed it. Some rows describe community practice, which is not evidence that a dose is safe or effective. Speak to a licensed healthcare provider before acting on any of it.

Sources for the doses above are listed in full on the HGH (Somatropin) profile, each with the trial or label it came from.