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Neuro & cognitive

Buy DSIP

Starts from €20.99. Compare 19 shops by price, strength and stock, updated hourly.

Delta sleep-inducing peptide, a synthetic nonapeptide.

19 shops11 optionspeptide

Prices synced

Lowest single unit
€20.99
Peptidlab · 10 mg vial
Lowest price per mg
€2.10
Peptidlab · 10 mg vial
Shop spread
+400%
Highest vs lowest, 10 mg vial
Shops
24PeptidesBaltic PeptidesBeyond PeptidesBioBoostXBioniq LabDirect Peptides NLEuropa PeptideLumo Peptides+11 more below
31 offers in stock

Vial · lyophilised powder in a sealed vial

2 mg vial

Out of stock everywhere

ShopPriceVisit
PeptideHaus
DSIP 2mg × 10 Vials · 10-pack
Lowest per unit
€106.00
€10.60 each
€5.30/mg
View

5 mg vial

7 shops in stock · highest price is 88% above lowest

ShopPriceVisit
Research Peptides Europe
DSIP 5mg
Lowest · in stock
€23.99
€4.80/mg
earlier price
VAT unconfirmed
View
One-Peptides
DSIP 5 mg
In stock
€29.00€35.00
€5.80/mg
VAT unconfirmed
View
Europa Peptide
DSIP · 5mg
In stock
€29.90
€5.98/mg
View
PulsePeptides
DSIP
In stock
€29.99
€6.00/mg
View
24Peptides
DSIP 5mg
In stock
€34.00€39.00
€6.80/mg
VAT unconfirmed
View
Baltic Peptides
DSIP (Delta Sleep Inducing Peptide) 5mg · Vial
In stock
€34.99
€7.00/mg
VAT unconfirmed
View
Peptiden Kaufen
DSIP · 5mg
In stock
€45.00
€9.00/mg
VAT unconfirmed
View
PeptideHaus
DSIP 5mg × 10 Vials · 10-pack
Best per unit
€196.00
€19.60 each
€3.92/mg
View
Beyond Peptides
DSIP-5 · 5 mg · 1 Vial
Sold out
€46.54
€9.31/mg
incl. 21% VAT (est.)
View

10 mg vial

9 shops in stock · highest price is 400% above lowest

ShopPriceVisit
Peptidlab
DSIP 10 mg – výskumný neuropeptid pre štúdium spánkových mechanizmov
Lowest · in stock
€20.99€29.99
€2.10/mg
VAT unconfirmed
View
Direct Peptides NL
DSIP
In stock
€44.95
€4.50/mg
VAT unconfirmed
View
Primal Peptides
DSIP · 10mg
In stock
€44.99
€4.50/mg
View
Peptide Lab NL
DSIP · 1 x 10 milligram DSIP poeder met steriel water · Glazen ampul
In stock
€49.95
€5.00/mg
View
Europa Peptide
DSIP · 10mg
In stock
€54.90
€5.49/mg
View
24Peptides
DSIP 10mg
In stock
€59.00€69.00
€5.90/mg
VAT unconfirmed
View
Lumo Peptides
DSIP vial 10 mg
In stock
€69.95
€7.00/mg
View
Peptiden Kaufen
DSIP · 10mg
In stock
€88.00
€8.80/mg
VAT unconfirmed
View
Semax Polska
DSIP 10 mg + woda bakteriostatyczna
In stock
€105.00
€10.50/mg
VAT unconfirmed
View
Peptide Lab NL
DSIP · 10 x 10 milligram DSIP poeder met steriel water · Glazen ampul · 10-pack
In stock
€399.95
€40.00 each
€4.00/mg
View
Peptide Lab NL
DSIP · 5 x 10 milligram DSIP poeder met steriel water · Glazen ampul · 5-pack
In stock
€209.95
€41.99 each
€4.20/mg
View
Peptide Lab NL
DSIP · 3 x 10 milligram DSIP poeder met steriel water · Glazen ampul · 3-pack
In stock
€134.95
€44.98 each
€4.50/mg
View

15 mg vial

2 shops in stock · highest price is 0% above lowest

ShopPriceVisit
BioBoostX
DSIP 15mg
Lowest · in stock
€59.95
€4.00/mg
View
Primal Peptides
DSIP · 15mg
In stock
€59.99
€4.00/mg
View

Strength n/a vial

1 shop in stock

ShopPriceVisit
Peptides Kopen
DSIP (Endogenic)
Lowest · in stock
€29.95View

Pen · pre-filled injector pen

5 mg pen

1 shop in stock

ShopPriceVisit
PeptideHaus
DSIP Pre-Mixed Pen 5mg
Lowest · in stock
€74.94
€14.99/mg
View

Cartridge · pre-filled cartridge for a reusable pen

4 mg cartridge

Out of stock everywhere

ShopPriceVisit
PeptideHaus
DSIP Pre-Mixed Cartridge 4 MG / 2 mL
Sold out
€32.32
€8.08/mg
View

Nasal spray · nasal spray kit

5 mg nasal spray

2 shops in stock · highest price is 3% above lowest

ShopPriceVisit
Research Peptides Europe
DSIP Nasal Spray 5mg
Lowest · in stock
€38.99
earlier price
VAT unconfirmed
View
Baltic Peptides
DSIP (Delta Sleep Inducing Peptide) 5mg · Nasal Spray
In stock
€39.99
VAT unconfirmed
View

6 mg nasal spray

1 shop in stock

ShopPriceVisit
Bioniq Lab
DSIP Nasal Spray 6mg | 15ml
Lowest · in stock
€174.00
VAT unconfirmed
View
Peptidenonline
DSIP Neusspray 6mg/15ml
Sold out
€174.00View

Strength n/a nasal spray

2 shops in stock · highest price is 118% above lowest

ShopPriceVisit
PeptideHaus
DSIP Nasal Spray 15 mL
Lowest · in stock
€34.38View
Lumo Peptides
DSIP Neusspray Kit
In stock
€74.95View

Topical · serum, cream or oil

5 mg topical

1 shop in stock

ShopPriceVisit
One-Peptides
DSIP Spray 5 mg
Lowest · in stock
€39.00€49.00
VAT unconfirmed
View

Chemistry

DSIP molecular data

Molecular formula
C35H48N10O15
Molecular weight
848.8 g/mol
Reference records
PubChem 68816Wikidata

Reference data for the compound itself, from PubChem (NCBI). It does not describe the salt form or purity of any shop's product.

Published research

What has been published on DSIP

347 papers mention DSIP in the title or abstract. Studies range from laboratory work to clinical trials. A paper listed here is not an endorsement and says nothing about whether DSIP is safe, effective or approved for any use.

5 randomized trials in PubMed

Most citedName in the title

  1. Delta-sleep-inducing peptide (DSIP): An update

    Markus Graf, Abba J. Kastin · Peptides · 1986

    Review100 citations

  2. Delta-sleep-inducing peptide (DSIP): A review

    Markus Graf, Abba J. Kastin · Neuroscience & Biobehavioral Reviews · 1984

    Review86 citations

  3. Increased sleep following intracerebroventricular injection of the delta sleep-inducing peptide in rats

    Reidun Ursin, Mette Larsen · Neuroscience Letters · 1983

    Animal study63 citations

LatestName in title or abstract

  1. Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions

    Omar F. Rahman, Steven J. Lee, William A. Seeds · JAAOS Global Research and Reviews · 2026

    ReviewOpen access · CC BY-NC-ND5 citationsRead the open copy →

  2. Changes in the concentration of melatonin and endogenous proteins regulating carbohydrate and lipid metabolism in rats under conditions of light desynchronosis with pharmacological correction by peptide extracts from the pineal gland and pituitary gland of the reindeer (Rangifer tarandus)

    A. V. Sharabanov, Батоцыренова Екатерина Геннадьевна, Tatiana Yu. Kretser et al. · Research and Practical Medicine Journal · 2025

    Open access · CC BYRead the open copy →

  3. Pharmacological Correction of Physical Performance in Male Rats with Peptide Preparations when Changing the Lighting Regime

    A. V. Sharabanov, Батоцыренова Екатерина Геннадьевна, Кашуро Вадим Анатольевич et al. · Journal Biomed · 2024

    Open access · CC BYRead the open copy →

  4. Pichia pastoris secreted peptides crossing the blood-brain barrier and DSIP fusion peptide efficacy in PCPA-induced insomnia mouse models

    Xiaoxiao Mu, Lijun Qu, Liquan Yin et al. · Frontiers in Pharmacology · 2024

    Open access · CC BY3 citationsRead the open copy →

  5. Modified Effect of Peptide Preparations on Spontaneous Motor Activity in Male Rats under the Conditions of Light Desynchronosis

    A. V. Sharabanov, Батоцыренова Екатерина Геннадьевна, Кашуро Вадим Анатольевич et al. · Journal Biomed · 2024

    Open access · CC BYRead the open copy →

All 347 papers, charts and facts →·on OpenAlex· Source: OpenAlex (CC0), refreshed weekly, last 4 Nov 2026, 08:26 UTC.

How to read these prices

  • All prices are EUR including VAT and read from each shop’s public feed. Sold-out offers are shown but never counted as lowest.
  • Per mg divides the unit price by the strength of one unit. Packs are compared by price per unit.
  • A “code name” tag means the shop sells this under a code name that we matched to DSIP.

DSIP price questions

Where is DSIP cheapest?

Peptidlab has the lowest in-stock single-unit price for DSIP at €20.99 (10 mg vial, incl. VAT). Per mg, Peptidlab is lowest at €2.10/mg (10 mg vial). Prices checked 4 Nov 2026, 21:00 UTC.

How many shops sell DSIP?

19 tracked shops currently list DSIP: 24Peptides, Baltic Peptides, Beyond Peptides, BioBoostX, Bioniq Lab, Direct Peptides NL, Europa Peptide, Lumo Peptides, One-Peptides, PeptideHaus, Peptide Lab NL, Peptiden Kaufen, Peptidenonline, Peptides Kopen, Peptidlab, Primal Peptides, PulsePeptides, Research Peptides Europe, Semax Polska. In total there are 34 offers.

Which forms of DSIP are listed?

Vial (lyophilised powder in a sealed vial); Pen (pre-filled injector pen); Cartridge (pre-filled cartridge for a reusable pen); Nasal spray (nasal spray kit); Topical (serum, cream or oil).

Is DSIP for human use?

Shops list it for laboratory research only. Peptilyze is a price comparison and gives no medical, dosing or usage advice.

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