49 suppliers scored7 FDA warning letters tracked8 closures on recordUpdated October 2026 · How scoring works
Peptide Ranking
Nonapeptide

DSIP

A nine-amino-acid peptide first isolated from rabbit brain. Research listings are usually 5 mg vials.

Also listed as: Delta sleep-inducing peptide

30suppliers listing it
53priced listings
$8.00median per mg
$2.40lowest per mg
6certificates on file

Price by size

SizeListingsMedian priceLowest priceLowest atMedian $/mg
5 mg28$40.75$14.99Eternal Peptides · listing$8.15

All listings

SupplierScoreListingSizePrice$/mgCOA on page
Nexaph63/100DSIP 10mg (10 vials/kit)
vial
100 mg$178
10 units · $17.80 each
$1.78NoView listing
Eternal Peptides22/100DSIP
vial
10 mg$23.99$2.40NoView listing
Eternal Peptides22/100DSIP
vial
5 mg$14.99$3.00NoView listing
Alpha Peptides71/100DSIP – MG Amount: 5 MG
vial
5 mg$15.62$3.12YesView listing
Alpha Labs Peptides68/100DSIP (10mg)
vial
10 mg$31.49$3.15YesView listing
UK Peptides50/100DSIP 5mg
vial · listed in GBP
5 mg$17.72$3.54YesView listing
Geo Peptides48/100DSIP (Delta Sleep Inducing Peptide) 5mg (USA)
vial
5 mg$21.99$4.40NoView listing
Atomik Labz39/100DSIP – 10mg
vial
10 mg$45.00$4.50YesView listing
Sports Technology Labs70/100DSIP 5 mg (Delta Sleep Inducing Peptide)
vial
5 mg$23.49$4.70YesView listing
Verified Peptides62/100DSIP Peptide (10MG)
vial
10 mg$49.00$4.90YesView listing
Blue Sky Peptide56/100DSIP 5mg
vial
5 mg$25.82$5.16NoView listing
Atomik Labz39/100DSIP 10mg with Air Dispersal Kit
nasal
10 mg$53.00$5.30YesView listing
Alpha Peptides71/100DSIP – MG Amount: 10 MG
vial · out of stock
10 mg$58.99$5.90YesView listing
Peptide Crafters36/100DSIP (5mg)
vial
5 mg$30.00$6.00NoView listing
Ascension Peptides77/100DSIP (10mg)
vial
10 mg$60.00$6.00NoView listing
Receptor Chem50/100DSIP 5mg
vial · listed in GBP
5 mg$31.74$6.35NoView listing
Licensed Peptides84/100DSIP 5mg - 5mg, 10 pack
vial · out of stock
50 mg$324
10 units · $32.39 each
$6.48NoView listing
Paramount Peptides76/100DSIP (10mg)
vial
10 mg$65.45$6.55YesView listing
Liberty Peptides64/100DSIP (5mg)
vial
5 mg$34.00$6.80YesView listing
Atomik Labz39/100DSIP – 5mg
vial
5 mg$35.00$7.00YesView listing
Direct Peptides41/100DSIP Peptide Vial – 10mg vial
vial · listed in GBP
10 mg$71.44$7.14NoView listing
Licensed Peptides84/100DSIP 5mg - 5mg, 5 pack
vial · out of stock
25 mg$189
5 units · $37.79 each
$7.56NoView listing
Peptide Pros63/100DSIP 5mg
vial
5 mg$39.50$7.90NoView listing
Polaris Peptides26/100DSIP 5mg (Delta Sleep-Inducing Peptide) – tested at 7.5mg
vial
5 mg$40.00$8.00NoView listing
NuScience Peptides55/100DSIP - 5mg
vial
5 mg$39.99$8.00NoView listing
Umbrella Labs59/100DSIP PEPTIDE 2MG/5MG/10MG VIAL - 10 Milligrams
vial
10 mg$79.99$8.00NoView listing
Direct Peptides41/100DSIP Peptide Vial – 5mg vial
vial · listed in GBP
5 mg$40.49$8.10NoView listing
Core Peptides74/100DSIP - 5MG
vial
5 mg$41.00$8.20YesView listing
Direct Peptides41/100DSIP Peptide Vial – 10mg vial Kit_10ml bac water & needles
vial · listed in GBP
10 mg$82.84$8.28NoView listing
Atomik Labz39/100DSIP 5mg with Air Dispersal Kit
nasal
5 mg$43.00$8.60YesView listing
Research Peptides32/100DSIP 5mg
vial
5 mg$42.99$8.60YesView listing
Direct Peptides41/100DSIP Pre-Mixed Pen 5mg – 1 single pre-mixed cartridge
pen · listed in GBP
5 mg$43.76$8.75NoView listing
Biotech Peptides65/100DSIP (5mg)
vial
5 mg$44.00$8.80YesView listing
Licensed Peptides84/100DSIP 5mg - 5mg, 3 pack
vial · out of stock
15 mg$134
3 units · $44.81 each
$8.96NoView listing
Direct Peptides41/100DSIP Peptide Vial – 2mg vial
vial · listed in GBP
2 mg$18.00$9.00NoView listing
Enhanced Peptides39/100DSIP (Delta Sleep Inducing Peptide) - 5mg
vial
5 mg$45.00$9.00NoView listing
Evolve Peptides70/100DSIP 5 mg
vial
5 mg$45.00$9.00NoView listing
Receptor Chem50/100DSIP 2mg
vial · listed in GBP · out of stock
2 mg$19.04$9.52NoView listing
Skye Peptides23/100DSIP 5 mg
vial
5 mg$49.00$9.80NoView listing
Paramount Peptides76/100DSIP (5mg)
vial
5 mg$51.00$10.20YesView listing
Umbrella Labs59/100DSIP PEPTIDE 2MG/5MG/10MG VIAL - 5 Milligrams
vial
5 mg$50.99$10.20NoView listing
Direct Peptides41/100DSIP Peptide Vial – 5mg vial Kit_10ml bac water & needles
vial · listed in GBP
5 mg$51.89$10.38NoView listing
Licensed Peptides84/100DSIP 5mg - 5mg, 1 pack
vial
5 mg$53.99$10.80NoView listing
BioLongevity Labs72/100DSIP (Delta Sleep-Inducing Peptide) (5mg)
vial
5 mg$55.97$11.19NoView listing
Swiss Chems59/100Delta Sleep-Inducing Peptide (DSIP) 2mg – Delta Sleep-Inducing Peptide (DSIP) 2mg: KIT (10 vials)
bulk
20 mg$250
10 units · $24.95 each
$12.48NoView listing
Swiss Chems59/100Delta Sleep-Inducing Peptide (DSIP) 2mg – Delta Sleep-Inducing Peptide (DSIP) 2mg: 1 vial
vial
2 mg$24.95$12.48NoView listing
Umbrella Labs59/100DSIP PEPTIDE 2MG/5MG/10MG VIAL - 2 Milligrams
vial
2 mg$26.99$13.50NoView listing
Direct Peptides41/100DSIP Peptide Vial – 2mg vial Kit_10ml bac water & needles
vial · listed in GBP
2 mg$29.40$14.70NoView listing
Loti Labs58/100DSIP (Delta Sleep Inducing Peptide) 2mg
vial
2 mg$29.99$15.00NoView listing
Enhanced Peptides39/100DSIP (Delta Sleep Inducing Peptide) - 2mg
vial
2 mg$30.00$15.00NoView listing
Direct Peptides41/100DSIP Pre-Mixed Pen 5mg – 1 Pre Mixed Cartridge and Kit
pen · listed in GBP
5 mg$78.09$15.62NoView listing
Direct Peptides41/100DSIP Pre-Mixed Pen 5mg – 2 pre-mixed cartridges
bulk · listed in GBP
5 mg$87.53$17.51NoView listing
Direct Peptides41/100DSIP Pre-Mixed Pen 5mg – 3 pre-mixed cartridges
bulk · listed in GBP
5 mg$118$23.63NoView listing
Alpha Labs Peptides68/100DSIP (10mg) (10 Vials)
bulk
10 mg$252
10 units · $25.20 each
$25.20YesView listing
Atomik Labz39/100BULK PACK DSIP – 10mg (10 VIALS)
bulk
10 mg$405
10 units · $40.50 each
$40.50YesView listing
Direct Peptides41/100DSIP Nasal Spray – 30ml
nasal · listed in GBP
—$157—NoView listing
Direct Peptides41/100DSIP Nasal Spray – 15ml
nasal · listed in GBP
—$81.60—NoView listing
Extreme Peptides44/100DSIP
vial
—$29.99—NoView listing
Limitless Biotech61/100DSIP Delta Sleep-Inducing Peptide
vial
—gated—NoView listing
Limitless Biotech61/100DSIP Spray
nasal
—gated—NoView listing
USA Peptides24/100DSIP Injection
other
—$125—NoView listing
Modern Aminos15/100DSIP (Delta-Sleep Inducing Peptide)
vial · out of stock
—$49.00—NoView listing
Pure Peptide Labs74/100DSIP
vial
—$29.95—NoView listing
Simple Peptide65/100DSIP 5mg
vial
5 mggated—NoView listing
Peptide Warehouse61/100DSIP
vial
—$44.99—NoView listing
PureRawz37/100DSIP Spray
other
—gated—NoView listing
PureRawz37/100DSIP — Delta Sleep-Inducing Peptide
vial
—gated—NoView listing

Public certificates for DSIP

SupplierProductLotLaboratoryDatePurityMethod
Swiss ChemsDelta Sleep-Inducing Peptide (DSIP) 2mg—Not named2026-09-15——Open
Loti LabsDSIP 2mgLL-DSP-726Bioviridian2026-07-2799.71%—Open
Sports Technology LabsDelta Sleep-Inducing Peptide (DSIP)—Not named2025-10-1790.2%—Open
Research PeptidesDSIP 5mg—Not named———Open
Blue Sky PeptideDelta Peptide (Emideltide)—Not named———Open
UK PeptidesDSIP 5mg—UK-PEPTIDES.COM—99.3%HPLCOpen

Suppliers that list DSIP, by score

Licensed Peptidespublic certificates · US84/100Ascension Peptidespublic certificates · US77/100Paramount Peptidespublic certificates · US76/100Core Peptidespublic certificates · US74/100Pure Peptide Labspublic certificates · US74/100BioLongevity Labspublic certificates · US72/100Alpha Peptidespublic certificates · US71/100Evolve Peptidespublic certificates · US70/100Sports Technology Labspublic certificates · US70/100Alpha Labs Peptidespublic certificates · US68/100Biotech Peptidespublic certificates · US65/100Simple Peptidecertificates not public · US65/100Liberty Peptidespublic certificates · US64/100Nexaphpublic certificates63/100Peptide Prospublic certificates · US63/100Verified Peptidespublic certificates · US62/100Limitless Biotechpublic certificates · US61/100Peptide Warehousepublic certificates · US61/100Swiss Chemspublic certificates · US59/100Umbrella Labspublic certificates · US59/100Loti Labspublic certificates · US58/100Blue Sky Peptidepublic certificates · US56/100NuScience Peptidespublic certificates · US55/100Receptor Chempublic certificates · UK50/100UK Peptidespublic certificates · UK50/100Geo Peptidespublic certificates · US48/100Extreme Peptidespublic certificates · US44/100Direct Peptidespublic certificates41/100Atomik Labzcertificates not public · US39/100Enhanced Peptidescertificates not public · US39/100PureRawzcertificates not public · US37/100Peptide Crafterscertificates not public · US36/100Research Peptidespublic certificates32/100Polaris Peptidescertificates not public · US26/100USA Peptidescertificates not public · US24/100Skye Peptidescertificates not public · US23/100Eternal Peptidescertificates not public · US22/100Modern Aminoscertificates not public · US15/100

Frequently asked questions

Who sells DSIP?

38 suppliers in our index list DSIP: Licensed Peptides, Ascension Peptides, Paramount Peptides, Core Peptides, Pure Peptide Labs, BioLongevity Labs and others. The highest-scoring of them is Licensed Peptides (84/100).

What does DSIP cost?

Across 53 listings the median is $8.00 per milligram, ranging from $2.40 to $15.00. The lowest listed price per milligram is Eternal Peptides's 10 mg listing at $23.99.

Which DSIP listings have a public certificate?

6 certificates for DSIP are on file from Swiss Chems, Loti Labs, Sports Technology Labs, Research Peptides, Blue Sky Peptide, UK Peptides. Open each one and check the lot number against the vial label.

All listed materials are sold for laboratory research use only. Prices are the supplier's listed prices at the time of indexing, before any coupon; they change, so confirm in the cart. Price per milligram uses the stated mass on the listing.