With 2 mL bacteriostatic water
5.0 units
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Reconstitution · DSIP
DSIP reconstitution calculator
Pick the vial, the water you added and the dose. Get the exact draw in units for the syringe in your hand.
Step 1 of 4
- total mg in the calculation
- mL used in the calculation
- mcg
This vial holds 10,000 mcg in total.
- match the size on the package
U-100 insulin syringe · 1 mL · lines every 2 units · 1 unit = 0.01 mL
Draw to
7.5units
7.5 units on a U-100 insulin syringe · 1 mL · lines every 2 units, which is 0.08 milliliters. The nearest syringe line is 8 units.
10 mg ÷ 3 mL = 3.33 mg/mL
→ 33 mcg/unit · 250 mcg = 0.075 mL = 7.5 units
→ 33 mcg/unit · 250 mcg = 0.075 mL = 7.5 units
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Show the math and syringe details
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How to use the calculator
- 1
Enter the amount in the vial
- 2
Enter the water you added
- 3
Enter the dose you want to convert
DSIP stands for delta sleep-inducing peptide. It is nine amino acids long, and it was recovered in 1977 from the blood of rabbits put into deep sleep electrically. It is sold for insomnia and for deeper sleep.
It has more human research than many peptides sold this way, but the evidence is still thin. European groups gave it during the 1980s to people with insomnia and to people in alcohol and opiate withdrawal, and reported improved sleep. The studies were small, mostly open label, used intravenous dosing and never led to an approval.
Examples using 10 mg of DSIP
Each row uses 10 mg and the liquid volume shown. Dividing the amount by that volume gives the calculated concentration. The rows are arithmetic examples, not alternative product preparations.
◆ How liquid volume changes the resultdose used: 250 mcg
With 3 mL bacteriostatic water
7.5 units
| Bacteriostatic water | Concentration | Per U-100 unit | Draw for 250 mcg | Nearest syringe line |
|---|---|---|---|---|
| 2 mL | 5.00 mg/mL | 50.0 mcg | 5.0 u · 0.050 mL | 6 u · 20.0% off |
| 3 mL | 3.33 mg/mL | 33.3 mcg | 7.5 u · 0.075 mL | 8 u · 6.7% off |
The amount, liquid volume and dose shown here are the calculator’s starting example for DSIP. Replace them with your own values. Every result in the table is calculated from those inputs.
DSIP: a different vial strength changes the syringe reading
The DSIP calculator offers two vial strengths, one twice the other. At the same water volume, the stronger vial has twice the concentration. The same entered amount therefore takes half as much liquid from that stronger setup.
Open the mixing details3 notes
A saved unit count needs its concentration
A syringe reading belongs to a particular vial amount and liquid volume. Changing either input can change what the same marked reading represents. The compound name alone is not enough to reconstruct the calculation.
The two vial presets make this easy to see, but water volume matters too. Neither input can be omitted when comparing readings. The calculator shows their combined effect rather than treating one as the only important choice.
Study amounts retain their weight and route terms
The DSIP sleep studies listed in the guide used intravenous amounts expressed per kilogram of body weight. That is different from a flat total amount entered for a draw. Removing the weight term changes the quantity being described.
Their findings also belong to their study populations and schedules. A syringe calculator cannot establish an equivalent regimen under the skin or turn a sleep-study result into a personal treatment plan. The guide keeps those source contexts available.
Small draws make rounding worth reading
The starting DSIP examples sit in the lower part of the syringe scale. The tool distinguishes the target volume from the nearest syringe line so the difference is not hidden by a tidy unit count.
That precision still depends on the inputs. The software cannot verify the material in a vial, measure its strength or confirm preparation instructions. If the amount or concentration is uncertain, the displayed result inherits that uncertainty even when the arithmetic is internally consistent.
DSIP’s original units include a body-weight factor
The cited sleep studies reported nanomoles per kilogram. The mass conversion retains that weight basis. Changing nanomoles to micrograms is one step; it does not turn the result into a flat dose per draw.
Read the supporting evidence2 supporting notes
Molecular weight explains the unit conversion
Nanomoles count molecules, while micrograms measure mass. The conversion uses the peptide’s molecular weight. The original amount and units remain beside the converted value so that the arithmetic can be checked.
The study schedule stays separate from the syringe result
The records include a single-dose account and a repeated intravenous course in a sleep laboratory. A general tool cannot choose between them, change the route or establish a suitable amount for a person. The studies also do not provide storage instructions for an unrelated mixed vial.
Molecular weight explains the unit conversion
Nanomoles count molecules, while micrograms measure mass. The conversion uses the peptide’s molecular weight. The original amount and units remain beside the converted value so that the arithmetic can be checked.
The study schedule stays separate from the syringe result
The records include a single-dose account and a repeated intravenous course in a sleep laboratory. A general tool cannot choose between them, change the route or establish a suitable amount for a person. The studies also do not provide storage instructions for an unrelated mixed vial.
Units to dose at 3.33 mg/mL
Mix 10 mg into 3 mL and one U-100 unit carries 33.3 mcg. The table shows how much peptide is in each numbered syringe line. These are conversion examples, not suggested doses.
Open the unit conversion table10 rows
| U-100 line | Volume | Mass (mcg) | Mass (mg) |
|---|---|---|---|
| 10 u | 0.10 mL | 333 mcg | 0.333 mg |
| 20 u | 0.20 mL | 667 mcg | 0.667 mg |
| 30 u | 0.30 mL | 1,000 mcg | 1 mg |
| 40 u | 0.40 mL | 1,333 mcg | 1.333 mg |
| 50 u | 0.50 mL | 1,667 mcg | 1.667 mg |
| 60 u | 0.60 mL | 2,000 mcg | 2 mg |
| 70 u | 0.70 mL | 2,333 mcg | 2.333 mg |
| 80 u | 0.80 mL | 2,667 mcg | 2.667 mg |
| 90 u | 0.90 mL | 3,000 mcg | 3 mg |
| 100 u | 1.00 mL | 3,333 mcg | 3.333 mg |
How the math works
- Concentration — divide the amount entered by the liquid volume used in the calculation: mg ÷ mL = mg/mL. This tells you how many mg are in each mL.
- Volume — the dose divided by that concentration: dose ÷ (mg/mL) = mL.
- Units — on a U-100 syringe one unit is 0.01 mL, so mL × 100 = units. A U-40 unit is 0.025 mL, so the wrong barrel is a 2.5× error. That is why the calculator asks which one you have.
- Rounding gap — the exact draw against the nearest syringe line: |exact − nearest line| ÷ exact × 100 = % difference.
Useful guides for this calculation
The math is only one part of the question. These guides cover the compound, published doses, side effects, mixing steps and supplies.
- Schneider-Helmert D. DSIP in insomnia. Eur Neurol. 1984;23(5):358-63retrieved 2026-08-12limited human data
- Schneider-Helmert D. Efficacy of DSIP to normalize sleep in middle-aged and elderly chronic insomniacs. Eur Neurol. 1986;25(6):448-53retrieved 2026-08-12limited human data