Selank UK Research Guide (2026): Research, Selank vs Semax & Price

All Research Guides · Shop

Selank UK Research Guide · Written by Raquel Whatmough, Founder of MyPep Biotech · Updated October 2026 · Strictly for laboratory research use only

Selank is a short peptide studied in stress, anxiety and memory research. This Selank UK guide explains what Selank is, where it comes from, what published research has looked at, how it compares with Semax, its UK legal status and the Selank price in the UK. It links to documented Selank research vials and our NeuroCalm™ Selank + Epitalon research pen.

What Is Selank?

Selank is a synthetic peptide made of seven amino acids. It is based on tuftsin, a natural four-amino-acid peptide that is part of the immune system. Scientists added three extra amino acids (Pro-Gly-Pro) to the end of tuftsin. This makes Selank much more stable than tuftsin alone.

Selank was developed in Russia at the Institute of Molecular Genetics in Moscow, the same institute that developed Semax. It is studied mainly in models of anxiety, stress and memory.

What Are the Key Facts About Selank?

• Type: heptapeptide (7 amino acids)
• Sequence: Thr-Lys-Pro-Arg-Pro-Gly-Pro
• Based on: tuftsin, an immune-system peptide
• Developed: in Russia (Institute of Molecular Genetics, Moscow)
• Main research areas: anxiety and stress models, memory, mood and immune signalling
• UK status: not a licensed medicine; supplied for research use only
• MyPep formats: Selank vial and NeuroCalm™ blend pen

What Has Selank Research Looked At?

1. Anxiety and stress models

Most Selank research has explored anxiety-like behaviour in animal models. Some studies reported calming effects without the sedation seen with older anti-anxiety drugs. These are mostly animal and small clinical studies from Russia, so they remain research findings.

2. Memory and learning

Animal studies have also looked at Selank in learning and memory tasks, with some reporting improved performance under stress.

3. GABA and serotonin systems

Research suggests Selank may influence GABA signalling, the brain’s main calming system, and serotonin, which affects mood. This is one of the most discussed areas of Selank science.

4. Immune signalling

Because it is based on tuftsin, Selank has been studied for effects on immune messengers called cytokines. This links brain and immune research.

5. Gene expression

Laboratory studies reported that Selank changes the activity of genes involved in nerve signalling. This is early research.

How Does Selank Work in Research Models?

The full mechanism is not established. Research points to effects on GABA receptors, on the breakdown of natural calming peptides called enkephalins, and on serotonin and immune signalling. Because results come mainly from animal and laboratory studies, these ideas should be treated as research hypotheses.

What Is the Difference Between Selank and Semax?

• Selank: based on tuftsin, studied mainly for anxiety, stress and mood
• Semax: based on ACTH, studied mainly for memory, focus and nerve protection

Both share the same Pro-Gly-Pro stabilising ending and were developed at the same institute. Researchers often study them side by side to compare calming and focus-related pathways.

Is Selank Studied in Menopause and Midlife Research?

Low mood, anxiety and “brain fog” are commonly reported in perimenopause and menopause, so stress-related peptides such as Selank are part of midlife research. Our NeuroCalm™ blend pairs Selank with Epitalon. Read our Menopause & Midlife Peptide Research guide.

What Is the UK Legal Status of Selank?

Selank is not an approved or licensed medicine in the UK. It can be supplied for in-vitro and laboratory research only, and must not be sold for human use. MyPep Biotech does not provide dosing guidance for humans or animals.

What Is the Selank Price in the UK?

At MyPep Biotech, the Selank vial costs £29.99 and the NeuroCalm™ Selank + Epitalon 20mg pen costs £79.99, with fast tracked UK delivery. Orders over £75 ship free.

How Should Selank Be Prepared and Stored?

• Mix freeze-dried vials with sterile bacteriostatic water
• Use our free peptide calculator to work out the concentration
• Store vials and pens in the fridge (2–8°C), away from light
• Record the batch number from the label

What Do Common Selank Research Terms Mean?

• Tuftsin: a natural four-amino-acid immune peptide that Selank is based on
• GABA: the brain’s main calming chemical messenger
• Enkephalins: natural peptides linked to calm and pain control
• Heptapeptide: a peptide made of seven amino acids

Selank UK: Frequently Asked Questions

What is Selank?

It is a seven-amino-acid peptide based on tuftsin, studied in anxiety, stress and memory research.

What is Selank studied for?

Mainly anxiety and stress models, memory, mood and immune signalling in laboratory and animal research.

Is Selank legal in the UK?

It is not a licensed medicine in the UK. It can be supplied for laboratory research only.

What is the difference between Selank and Semax?

Selank is studied mainly for calm and stress, Semax mainly for focus and memory.

What is the Selank price in the UK?

Our Selank vial is £29.99.

Where can I buy Selank in the UK?

You can order research-grade Selank online from MyPep Biotech with tracked UK delivery.

Do you give dosing advice?

No. Our products are for lab research only. We do not give dosing guidance for humans or animals.

What Is the Bottom Line on Selank?

Selank is a stabilised tuftsin-based peptide studied mainly for anxiety, stress and memory. In the UK it is a research compound only.

Strictly for laboratory research use only. Not for human or veterinary use. This guide is for educational purposes and is not medical advice.

About the author: Raquel Whatmough founded MyPep Biotech, a UK research peptide supplier. Our guides use published scientific studies. Each one is checked for accuracy and UK rules.

Related research guides: Semax UK Guide · Menopause & Midlife Peptide Research · DSIP UK Guide · Semax vs Selank · All Research Guides