Research use only. AminoBlend supplies research compounds for laboratory and in-vitro use, not for human or animal consumption. By continuing you confirm you are 18 or older and buying for research.

Peptide Nasal Spray Australia: Semax, Selank and DSIP

Semax 10 mg lyophilized peptide vial with teal flip-off cap and white label

Semax

From $59
Selank 10 mg lyophilized peptide vial with teal flip-off cap and white label

Selank

From $59
DSIP 5 mg lyophilized peptide vial with teal flip-off cap and white label

DSIP

From $39

Shop All Peptides

Buy peptide nasal sprays online in Australia: Semax, Selank, DSIP, PT-141 and Melanotan II, with 10 mg of peptide pre-dissolved in every 10 mL bottle. Every bottle comes from Australian stock with a certificate for its lot, so you can pick the compound, check the paperwork and place your order in a few minutes, with nothing to mix before the spray goes on the bench.

Peptide Nasal Sprays for Sale in Australia

All five sprays share one specification, so the choice comes down to the compound, not the bottle.

SprayContentsSpray priceAlso sold as
Semax nasal spray10 mg in 10 mL, 1 mg per mL$6910 mg vial
Selank nasal spray10 mg in 10 mL, 1 mg per mL$6910 mg vial
DSIP nasal spray10 mg in 10 mL, 1 mg per mL$695 mg and 10 mg vials
PT-141 nasal spray10 mg in 10 mL, 1 mg per mL$6910 mg vial
Melanotan II nasal spray10 mg in 10 mL, 1 mg per mL$5910 mg vial

Best Peptide Nasal Spray: Match the Compound to the Model

There is no single best peptide nasal spray, because the five bottles serve three different research areas. For cognition and stress models, Semax and Selank are the best nasal spray peptides to start with, as both have their longest published record by the intranasal route. Sleep research points to DSIP. Melanocortin receptor work points to PT-141 or Melanotan II. If a study compares Selank, Semax and DSIP by the same route, the Spray Research Kit at $179 costs less than the three bottles bought separately.

Buy Semax Nasal Spray and Selank Nasal Spray

Semax is a seven amino acid analogue of the ACTH 4 to 10 fragment with a Pro-Gly-Pro tail added for stability. It is best known in nasal form because Russia registers it as a medicine in intranasal drops, which is why semax nasal spray draws far more searches than the vial. It is not approved by the TGA.

Selank is a synthetic analogue of tuftsin, a fragment of immunoglobulin G, also developed in Russia and also extended with Pro-Gly-Pro. The two are usually studied side by side, and most labs that order one spray order both.

Shop PT-141 and Melanotan II Nasal Sprays

PT-141, the research code for bremelanotide, and Melanotan II are both melanocortin receptor agonists, and both come as the same 10 mL spray. PT-141 was derived from Melanotan II and is studied mainly at the MC3 and MC4 receptors in the central nervous system, while Melanotan II acts across more melanocortin receptors, including the MC1 receptor involved in pigmentation research. Our Melanotan 1 vs 2 guide sets out how the analogues differ.

Both compounds sit in our melanocortin research peptides category.

Nasal Spray or Vial: Which Format to Buy?

Nasal sprayLyophilized vial
FormPeptide in solution, ready to useFreeze-dried powder
PreparationNoneReconstitute with bacteriostatic water
ConcentrationFixed at 1 mg per mLSet by the volume of diluent you add
Storage2 to 8 °C, protect from lightFreezer for months, fridge after it is mixed
Shelf lifeShorter than powder; follow the label expiryLongest while the cake stays dry

Our recommendation: order the spray only when your research design calls for the intranasal route. For anything else the vial is the better buy, because it keeps longer and lets you set the concentration. Reconstitution is covered in our guide on how to reconstitute peptides.

Lab Tested Peptide Nasal Sprays

Before a spray batch is put up for sale, an outside laboratory confirms the peptide's mass and runs an HPLC purity test, and the code on each bottle opens that batch's report on the COA lookup page. See how we test for more, or the lab tested peptides page for what a certificate for a solution product shows. Other ready-to-use formats are the pre-filled peptide pens and peptide capsules, and the full range is on the peptides for sale in Australia page.

Where to Buy Peptide Nasal Spray Near Me

A search for peptide nasal spray near me will mostly find pharmacies, and none of them carry research sprays such as Semax or DSIP. There is no need for a local shop: AminoBlend keeps all five sprays in Australian stock and sells them online to researchers anywhere in Australia, with the same lot certificates whichever state your lab is in.

While you shop, these are the items most often bought with a spray:

  • DSIP spray or vial: the sleep research peptide, and the only spray line also offered in 5 mg and 10 mg vials.
  • Spray Research Kit: buy this instead of three single bottles when Selank, Semax and DSIP are compared by the same route, since the carton costs less than the three bought apart.
  • BPC-157: not made as a spray, but often ordered in the same cart as a 10 mg vial or as capsules for a separate arm of the study.

Each spray is sold strictly as a laboratory reagent. None is meant for people or animals, none has TGA approval, and our team gives no dosing advice. Shop the full peptide range or go straight to the spray you need above.

Peptide Nasal Spray Australia Explained

What Is Inside an AminoBlend Nasal Spray Bottle?

Every bottle holds 10 mL, topped with a white pump and a silver collar, and contains 10 mg of peptide that is already dissolved at 1 mg per mL. Five compounds come this way: Semax, Selank, DSIP, PT-141 and Melanotan II. The label carries the compound, the strength, a lot code and an expiry date, and nothing needs mixing before the bottle is used in the lab.

How a Pump Bottle Differs From Drawing From a Vial

With a vial, the volume taken is read off a syringe scale. With a spray, the pump releases a set volume per actuation that depends on the pump design, so labs that need a precise amount usually calibrate it first by weighing a series of actuations. The concentration stays fixed at 1 mg per mL, which keeps the arithmetic simple.

Why the Intranasal Route Appears in Peptide Research

The intranasal route is studied in rodent models as a way for small peptides to reach the brain through the olfactory region rather than through the bloodstream. Semax has the longest record here, as Russia registers it as intranasal drops, and Selank followed the same path. That is why the sprays cluster in the nootropic peptides range.

Why a 10 mL Spray Keeps for Less Time Than Powder

A peptide in solution is exposed to slow chemical change that a freeze-dried cake largely avoids. For that reason each spray bottle goes into a fridge at 2 to 8 °C, in its box and away from light, and is used before the expiry printed on its label. A lab that wants stock to hold for months is better served by the matching vial, kept dry at minus 20 °C.

Three Sprays in One Carton: The Spray Research Kit

Labs comparing several compounds by the same route can order the Spray Research Kit, which packs Selank, Semax and DSIP bottles together, each at 10 mg in 10 mL. Every bottle in the kit keeps its own lot code, so each is checked against its own certificate rather than one shared report.

Checking a Spray Lot Before Use

Look for a clear, colourless solution with no particles, then match the lot code on the bottle to its certificate in the COA library. The certificate should name the same compound as the label, such as the Semax spray, and show identity by mass spectrometry and purity by HPLC.

Frequently Asked Questions

How should a peptide nasal spray be stored?

Keep the bottle in a fridge at 2 to 8 °C from the day it is received, in its box and away from light, and follow the expiry on the label. A peptide in solution is less stable than freeze-dried powder, so a spray will not keep as long as an unopened vial. Lab stock meant to last months is better bought as the matching vial.

What is the best peptide nasal spray for research?

It depends on the model. Semax and Selank are the usual choice for cognition and stress studies, because both were developed and registered in Russia as intranasal products and have the longest record by that route. DSIP suits sleep research, and PT-141 or Melanotan II suit melanocortin receptor work. All five come as 10 mg in 10 mL.

Which peptides do you sell as nasal sprays?

Five: Semax, Selank, DSIP and PT-141 at $69 a bottle, and Melanotan II at $59. Each bottle holds 10 mg of peptide dissolved at 1 mg per mL, with a lot code that matches a certificate in the COA library. The Spray Research Kit packs the Selank, Semax and DSIP bottles together for $179.

Is a peptide nasal spray better than a vial?

Only when the research design calls for the intranasal route. The spray is ready to use at a fixed 1 mg per mL, but a solution keeps for less time than freeze-dried powder. A lyophilised vial keeps longer at minus 20 °C and lets the lab set its own concentration with bacteriostatic water, so it is the better buy for most protocols.

Where can I buy peptide nasal spray online in Australia?

AminoBlend sells Semax, Selank, DSIP, PT-141 and Melanotan II sprays online from Australian stock. Each 10 mL bottle holds 10 mg at 1 mg per mL, costs $69 ($59 for Melanotan II), and has a lot code you can match to its certificate in the COA library before you buy. Add the spray, or the three-bottle Spray Research Kit, to your cart and check out.