How many units is 100 mcg of DSIP?

It depends entirely on how much water you added. In a 5 mg vial reconstituted with 2 mL, the concentration is 2.5 mg/mL, so 100 mcg is 0.04 mL, which is 4 units on a U-100 insulin syringe. In the same vial with 1 mL of water it is 2 units, and with 3 mL it is 6 units.

How much bacteriostatic water for a 5 mg DSIP vial?

2 mL is the usual choice. It gives 2.5 mg/mL, which puts the commonly reported range of 100 mcg to 300 mcg between roughly 4 and 12 units. Aim for a draw between about 10 and 50 units, where the barrel is easiest to read, and add or remove water to get there.

How many doses are in a 5 mg vial?

Divide 5 by your dose. At 100 mcg that is 50 doses, which at once daily is 50 days.

How many units is 100 mcg of DSIP?

In a 5 mg vial with 2 mL of water, 4 units on a U-100 syringe. With 1 mL of water it is 2 units, which is hard to read, and with 4 mL it is 8 units.

Is there an established DSIP dose?

No. The one human trial that states its dose used 25 nmol/kg intravenously (about 21 mcg/kg) and found weak effects. The 100 to 300 mcg subcutaneous range is community-reported with no trial behind it.

DSIP dosage calculator

In a 5 mg vial with 2 mL of water (2.5 mg/mL), 100 mcg of DSIP is 4 units on a U-100 insulin syringe. DSIP is dosed in micrograms from a 5 mg vial. Enter the water you added to get the unit mark for your own number.

Reviewed 3 September 2026
31 compounds
Formula on every page
No ads, no account

Where to buy, lab-checked: the Peptide Bureau vendor scorecard

Peptide calculator by Peptulator Free, no signup. Research use only, not medical advice.

Free downloadThe Protocol Pack

25 printable pages: dosing cards for the twelve most-used compounds at three water volumes, titration planners, a vial log, and five pages on what to do when it has already gone wrong.

Dose to units at the usual vial and water

Dose	U-100 units	Draw	Doses per vial	Vial lasts
100 mcg	4 units	0.04 mL	50	50 days
150 mcg	6 units	0.06 mL	33	33 days
200 mcg	8 units	0.08 mL	25	25 days
300 mcg	12 units	0.12 mL	16	16 days

5 mg vial in 2 mL of bacteriostatic water (2.5 mg/mL), U-100 insulin syringe, once daily.

About DSIP

DSIP (delta sleep-inducing peptide, emideltide) is a nine-amino-acid neuropeptide first isolated from rabbit brain in 1977. It is not approved as a medicine and is sold for research use. Small human sleep studies in the 1980s and 1990s were mixed and have not been replicated in large modern trials.

There is no approved dose. The one human trial that states its dose gave 25 nmol/kg intravenously, about 21 mcg per kg, and found only weak effects; that was weight-based and intravenous, so it cannot be read across to a subcutaneous dose. The 100 to 300 mcg subcutaneous range people quote is community-reported and has no trial behind it. A 5 mg vial with 2 mL of water is 2,500 mcg/mL, so 100 mcg is 0.04 mL, or 4 units. The calculator converts a dose you choose into a syringe mark; it does not suggest one.

The same 5 mg vial at other water volumes

If the draw is awkward to read, change the water, not the dose. The dose stays the same; only the mark moves.

Vial	BAC water	Concentration	Draw	U-100 units	Doses/vial
5 mg	1 mL	5 mg/mL	0.02 mL	2 units	50
5 mg	2 mL	2.5 mg/mL	0.04 mL	4 units	50
5 mg	3 mL	1.67 mg/mL	0.06 mL	6 units	50

All rows above assume a 100 mcg dose and a standard U-100 insulin syringe, where 100 units = 1 mL.

How long it lasts in the body

Very short in plasma, on the order of minutes. A decay curve is only drawn where a human half-life is documented, so there is none here. Treat any precise figure for DSIP elsewhere with caution.

Common questions

How many units is 100 mcg of DSIP?: It depends entirely on how much water you added. In a 5 mg vial reconstituted with 2 mL, the concentration is 2.5 mg/mL, so 100 mcg is 0.04 mL, which is 4 units on a U-100 insulin syringe. In the same vial with 1 mL of water it is 2 units, and with 3 mL it is 6 units.
How much bacteriostatic water for a 5 mg DSIP vial?: 2 mL is the usual choice. It gives 2.5 mg/mL, which puts the commonly reported range of 100 mcg to 300 mcg between roughly 4 and 12 units. Aim for a draw between about 10 and 50 units, where the barrel is easiest to read, and add or remove water to get there.
How many doses are in a 5 mg vial?: Divide 5 by your dose. At 100 mcg that is 50 doses, which at once daily is 50 days.
How many units is 100 mcg of DSIP?: In a 5 mg vial with 2 mL of water, 4 units on a U-100 syringe. With 1 mL of water it is 2 units, which is hard to read, and with 4 mL it is 8 units.
Is there an established DSIP dose?: No. The one human trial that states its dose used 25 nmol/kg intravenously (about 21 mcg/kg) and found weak effects. The 100 to 300 mcg subcutaneous range is community-reported with no trial behind it.

IndependentThis site does not sell peptides and is not owned by a vendor.

The maths is openThe formula is on every page and in the methodology. The code is one file with an automated test suite, run before each deploy.

How it is fundedNo account and no ads. Links to Peptide Bureau, including its vendor scorecard and buying guides. It is published by the team behind Peptide Bureau, which earns from affiliate links on its own site, and VialHaus, the same team's vial storage shop, which the storage notes link to.

ReviewedDose ranges and half-lives checked 3 September 2026.

Buying DSIP?

Peptulator does not list or rank vendors itself; its buying links go to the Peptide Bureau vendor scorecard and buying guides. Whoever the supplier is, use the strength printed on your own vial and check the batch certificate of analysis before you rely on any number here.

The DSIP guideDosing, evidence and side effects, at Peptide Bureau Read a syringeU-100 vs U-40, and the 2.5x error Build a full protocolThe stack builder at Peptide Bureau, about two minutes

Common conversions

The same three-step maths, pre-filled for the doses people ask about most. Units on a U-100 insulin syringe, where 100 units is 1 mL.

mg to units calculator Any dose at any concentration, both directions, with the full reference tables
Units to mg calculator What the units you drew are in milligrams
1 mg to units The most-asked conversion, at every common setup

Related calculators and charts

Other compounds

PT-141 calculator 0.5 to 2 mg, as needed
Melanotan II calculator mcg loading doses to units
NAD+ calculator 100 to 1,000 mg vials, 25 to 200 mg doses
Thymosin alpha-1 calculator 1.6 mg twice weekly, in units
Epitalon calculator Short courses of 5 to 10 mg
Kisspeptin-10 calculator mcg doses to units
Glutathione calculator Hundreds of mg, or a 200 mg/mL solution
KPV calculator mcg doses from a 10 mg vial to units
Selank calculator Label strength 1.5 mg/mL, worked in units
Semax calculator Label and community figures in units
DSIP calculator (this page)

Every one of the 31 compound calculators, charts and tools: the full list.

Before you use these numbers This is a unit-conversion tool. It turns a vial strength and a water volume into a concentration, a draw volume and a syringe mark. It does not tell you what to take, whether to take it, or whether a compound is safe for you. Most compounds listed are sold for laboratory research and are not approved for human use. Nothing here is medical advice. Dosing decisions belong with a licensed clinician who knows your history. Always check the strength printed on your own vial rather than trusting a preset.