Third-party tested

DSIP

Name: DSIP
Brand: LynxLab
SKU: dsip
Price: 13.95 GBP
Availability: InStock

Delta sleep-inducing peptide: a nine amino acid neuropeptide first isolated in 1977 by researchers studying sleep. Still a fixture of sleep research.

Strength: 5mg

In stock

£13.95

per vial · £2.79 per mg

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•5mg strength, supplied as lyophilised powder
•£2.79 per mg, down to £9.77 a vial on 5
•99.51% purity by HPLC-UV, lot DSP5-2607
•Same-day dispatch before 6pm, Royal Mail Tracked 24

Sealed.Cold.Tested.

Lyophilised powder. Store at -20°C, protect from light.

Kept cold

Product information

DSIP (delta sleep-inducing peptide) is a nine amino acid neuropeptide, first isolated in 1977 during sleep research. It is used in sleep and neuroendocrine research. Supplied lyophilised.

Purity: 99.51% by HPLC-UV
Specification: ≥99% minimum
Form: Lyophilised powder
Strength: 5mg
Molecular weight: 848.83 Da
Price per mg: £2.79 per mg
Storage: -20°C, protect from light
Lot: DSP5-2607
Analysed: 26 Aug 2026
PubChem CID: 68816

Questions & answers

Can I buy DSIP in the UK?

Yes. We ship from UK stock with Royal Mail Tracked 24. Order before 6pm and it goes out the same day. UK delivery is free on every order.

What is delta sleep-inducing peptide (DSIP)?

DSIP is a short neuropeptide first isolated in 1977 during sleep research, which is how it got its name. Ours comes freeze-dried in 5mg vials, tested to ≥99% by HPLC.

How fast will my order arrive?

Order before 6pm and it ships the same day by Royal Mail Tracked 24. Most UK orders arrive the next working day.

How do I track my order?

We email you a Royal Mail tracking link as soon as your order ships.

What purity is DSIP?

DSIP is tested to ≥99% purity by HPLC and supplied as lyophilised powder. You can read the lab report at the top of this page.

How should it be stored?

Store at -20°c, protect from light. Keep it sealed until you mix it. Once mixed, keep it in the fridge.

Product detail

What you get

In the vial

DSIP 5mg, supplied as lyophilised powder and sealed. Tested to ≥99% purity by HPLC.

In the box

Your vials, packed cold and sealed, sent by Royal Mail Tracked 24. Delivery details.

With the order

A tracking link by email, and the batch lab report on this page. Returns policy.

Buy DSIP in the UK

DSIP stands for delta sleep-inducing peptide. It was first isolated in 1977 by researchers studying sleep, which is where the name comes from. We sell it in 5mg vials from UK stock, tested to ≥99% purity.

Nine amino acids

A short neuropeptide, first described in 1977.

5mg vials

Freeze-dried, for lab reconstitution.

Lab report included

The HPLC result for each batch is on this page.

Storing & handling

How to keep DSIP stable, from delivery to first use.

1
Storage
Store at -20°c, protect from light. Keep the vial sealed until you are ready to mix it.
2
Reconstitution
Supplied as lyophilised powder. Mix with bacteriostatic water before use.
Shop bacteriostatic water
3
Purity
Each batch is tested to ≥99% purity by HPLC. The report is at the top of this page.
4
After mixing
Once mixed, keep it in the fridge at 2-8°C and away from light.