Janoshik verified reports·Check the key yourself·Discreet SA-wide shipping·Independently lab-tested·Research use only·Janoshik verified reports·Check the key yourself·Discreet SA-wide shipping·Independently lab-tested·Research use only·Janoshik verified reports·Check the key yourself·Discreet SA-wide shipping·Independently lab-tested·Research use only·
📦 In stock · order by 3pm ships today · Cape Town next-day
Neuropeptide

DSIP

Delta sleep-inducing peptide — endogenous neuropeptide studied for sleep and stress regulation
R399 per vial · ZAR
📦 Stock-Up Sale — add any 3 vials → 20% off, 5+ → 30% off (mix & match, auto-applied in your quote)
Size
Request a COA
Bulk pricing: 3+ of this vial save 10% · 5+ save 25%
Goes with this
Insulin Syringes Pack of 100
to draw and measure each dose
R349
Alcohol Swabs Pack of 200
for wiping down before each use
R149
Bacteriostatic Water 10ml
extra bacteriostatic water beyond the free 3ml
R199
🧪 To reconstitute & inject this, you'll need
Your free 3ml bac water is already included — this just adds what you'll inject with.
?COA on request — ask us Research use only

Research highlights

  • Endogenous neuropeptide first isolated from rabbit cerebral venous blood
  • Studied for roles in sleep architecture, delta-wave sleep induction and circadian regulation
  • Research interest in stress response modulation and cortisol regulation pathways
  • Investigated for potential neuroprotective and anti-oxidative properties in research models

Further reading: an independent guide to DSIP ›

What is DSIP?

DSIP (Delta Sleep-Inducing Peptide) is an endogenous neuropeptide studied for its roles in sleep regulation, stress response, and neuroendocrine function.

What is the dose per vial?

10mg per vial, lyophilised powder for reconstitution.

What purity is guaranteed?

All JP Research peptides are >99% purity, 3rd-party verified with COA supplied.

Carl, the JP Research lab capybara
Carl · the lab
Lab Notes · from Carl

Get the proof on WhatsApp.

Follow my channel — every couple of weeks I drop one genuinely useful thing: how to read a COA, reconstitution math, the odd honest deal. No spam, no hype. (I'm a capybara.)

Follow Lab Notes on WhatsApp

Free · follow & mute anytime · research use only. New here? WELCOME10 = 10% off your first order →

For research use only. All products are supplied strictly for in-vitro laboratory research and development — not for human or veterinary use, consumption or administration, and not drugs, foods or cosmetics. Not registered with SAHPRA as a medicine or therapeutic product.
×Certificate of Analysis
🎡Win a prize
Chat to Carl