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Nootropic / Cognitive

Selank

Also known as: Selank (TP-7)

Selank is a synthetic heptapeptide analog of the immunomodulatory tetrapeptide tuftsin. It is registered as a prescription anxiolytic in Russia (0.15% intranasal solution); it is not FDA or EMA approved.

Real-time market data

Pricing for Selank

Live vendor pricing, normalized to $/mg so sizes compare fairly — fused with each seller's Merit trust score and latest independent COA purity. Prices refresh daily.

Average price

$5.07/mg

range $1.40–$28.00/mg

Sellers

84

from $0.00

45-day trend

+9.5%

vs 45-day avg $/mg

68 of 84 sellers have a current price· 17 stale listings hidden (not seen in 7 days)

Prices observed from public storefronts (last 24h), normalized to $/mg. "Evidence" is Merit's 0–100 Merit Score, derived only from observable verification evidence (methodology on /about); "Purity" is the latest independent COA. Some buy links are affiliate links — Merit may earn a commission at no extra cost to you, and where a vendor offers one, the code shown gets you a discount at their checkout. Affiliate status never affects price data, ranking, or the Merit Score (full policy on /disclosure). Research use only.

Independent evidence

COAs for Selank

101 third-party tests across 27 vendors. Each card links to the full report.

All 101 COAs for Selank →
Measured purity 98.7%–100.0% across 73 COAs
Measured purity over time
Aggregated · 3rd-party listing
99.56 %
Jul 2026
ILS Labs Strong

For

Selank

by NG Peptide· batch SLK06

Aggregated · 3rd-party listing
99.82 %
Jul 2026
Freedom Diagnostics Moderate

For

Selank

by Peptide Plugs· batch 148-04-DK

✓ Vendor-published
99.41 %
Jun 2026
ILS Laboratories

For

Selank / Semax

by Ion Peptide· batch SKX20-06092026

COA on file
Aggregated · 3rd-party listing
99.67 %
Jun 2026
ILS Labs Strong

For

Selank

by Ion Peptide· batch SK5-06092026

✓ Vendor-published
99.89 %
Jun 2026
ILS Laboratories

For

Selank / Semax

by Ion Peptide· batch XASK10-06092026

COA on file
✓ Vendor-published
99.78 %
Jun 2026
ILS Laboratories

For

Selank / Semax

by Ion Peptide· batch SKSX20-06092026

COA on file
✓ Vendor-published
99.69 %
Jun 2026
ILS Laboratories

For

Selank

by Ion Peptide· batch SK5-06092026

COA on file
Aggregated · 3rd-party listing
99.31 %
Jun 2026
Arrow Lab Solutions

For

Selank

by Real Peptides· batch RP062326SK

Aggregated · 3rd-party listing
99.67 %
Jun 2026
ILS Labs Strong

For

Selank

by Crush Research· batch CR-SLK5-2605-1

Aggregated · 3rd-party listing
99.70 %
May 2026
ILS Labs Strong

For

Selank

by Sunrise Bioresearch· batch SLK10MAY26-01

✓ Vendor-published
99.70 %
May 2026
ILS Laboratories

For

Selank

by Sunrise Bioresearch· batch SLK10MAY26-01

COA on file
Aggregated · 3rd-party listing
99.37 %
Apr 2026
Horizon Analytical

For

Selank

by Pepsgpt· batch P-2406449-P

Aggregated · 3rd-party listing
99.66 %
Apr 2026
Chromate Moderate

For

Selank

by Moglabs· batch SK002

Aggregated · 3rd-party listing
99.66 %
Apr 2026
Chromate Moderate

For

Selank

by Arcane Peptides· batch SK002

Aggregated · 3rd-party listing
99.49 %
Apr 2026
ILS Labs Strong

For

Selank

by Riptide Wellness· batch RWSLK-10-1002

✓ Vendor-published
99.91 %
Apr 2026
Kovera Labs

For

Selank

by Ion Peptide· batch SK10-04202026

COA on file
✓ Vendor-published
99.66 %
Apr 2026
MogLabs.bio

For

Selank

by Moglabs· batch SK002

COA on file
✓ Vendor-published
99.66 %
Apr 2026
Chromate Moderate

For

Selank

by Ruo Bio· batch SK002

COA on file
Aggregated · 3rd-party listing
99.93 %
Apr 2026
Freedom Diagnostics Moderate · HPLC

For

Selank

by Peptide Plugs· batch 121-A-D

Aggregated · 3rd-party listing
99.68 %
Apr 2026
ILS Labs Strong

For

Selank

by NG Peptide· batch SL05

Aggregated · 3rd-party listing
99.90 %
Apr 2026
Janoshik Analytical Limited · HPLC

For

Selank

by Skye Peptides· batch SK26-10-001

Aggregated · 3rd-party listing
99.87 %
Apr 2026
Janoshik Analytical Limited · HPLC

For

Selank

by Qihang Peptide· batch 4

Aggregated · 3rd-party listing
99.80 %
Apr 2026
Janoshik Analytical Limited · HPLC

For

Selank

by Skye Peptides· batch Sk26-05-002

Aggregated · 3rd-party listing
99.62 %
Apr 2026
Biogenica Labs · HPLC

For

Selank

by Amino Club· batch SLK0001

Research depth

20 citations indexed for Selank

All research on Selank →

review · 2026

Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives

Therapeutic peptides are short chains of amino acids used to treat metabolic and endocrine conditions such as obesity and type 2 diabetes.

review · 2026

Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions

Therapeutic peptides are emerging as promising adjuncts in the management of orthopaedic injuries, grounded in their ability to modulate molecular signaling networks central to cellular medicine.

review · 2024

Phenibutan—an Illegal Food Supplement With Psychotropic Effects and Health Risks

Background Phenibut (β-phenyl-γ-aminobutyric acid) is an analog of the neurotransmitter gamma-aminobutyric acid (GABA). Like abapentin and pregabalin, it inhibits α2-δ-subunits of voltagedependent presynaptic calcium channels.

rct · 2023

Comparing the Efficacy of tDCS and tRNS to Improve Reading Skills in Children and Adolescents With Dyslexia

The present study grounds on the absence of evidence-based treatment in individuals with developmental dyslexia (DD).

rct · 2023

The Effect of Balance Exercises on Cognitive Function

The aim of our study is to examine the effects of balance exercises performed in virtual and real environments on visual-spatial attention and mental rotation in healthy young adult individuals using EEG brain oscillations.

animal · 2022

Selank, a Peptide Analog of Tuftsin, Attenuates Aversive Signs of Morphine Withdrawal in Rats

Activity of a peptide tuftsin analogue Selank was studied in outbred rats using the naloxone-precipitated morphine withdrawal model.