TP-7 · Tuftsin Analog · Protocol Guide
Selank: The Anxiolytic Peptide Guide
Selank is a Russian-developed anxiolytic with real RCT data and a thin Western evidence base. RxPepsDirect prescribes it as part of the Semax/Selank nasal spray combo. This guide explains the trade.
FDA Status
Off-Label, 503A Compounded
Pharmacy
Optimal Balance Pharmacy (503A licensed)
Medical Service
RxPepsDirect, physician-supervised
Access
33 U.S. States
Our promise: Selank's evidence base is largely Russian-language RCTs that are difficult to independently verify against Western standards. We are direct about that, and about the limited public peer-reviewed translation of those studies.
Medically reviewed by Dr. Jonathan Snipes, MD. Last reviewed May 18, 2026.Section 01
What Selank Actually Is
Selank is a synthetic heptapeptide (Thr-Lys-Pro-Arg-Pro- Gly-Pro) developed by Russia's Institute of Molecular Genetics in collaboration with the V.V. Zakusov Research Institute of Pharmacology. It is a modified analog of the immunomodulatory peptide tuftsin, designed for stability and central nervous system bioavailability. The compound is approved for clinical use in Russia for generalized anxiety disorder under the brand name Selank.
Selank's published profile is unusual: anxiolytic effect without sedation, no documented tolerance, no documented withdrawal, and no reported abuse potential. If those claims fully replicate in Western trials, Selank would be a meaningful alternative to benzodiazepines. That replication has not been completed.
7
Amino acids (heptapeptide) derived from tuftsin
14 days
Standard course duration in Russian clinical protocols
Russia
Country of clinical approval. Not approved in U.S. or EU.
Section 02
Who It Is Actually For
| Profile | Goal | Fit |
|---|---|---|
| Generalized anxiety, looking for non-sedating option | Anxiolytic effect without benzodiazepine side effects | Strong Fit |
| Performance anxiety, social anxiety, presentation nerves | Situational acute anxiety relief | Strong Fit |
| SSRI augmentation | Adjunct anxiolytic during SSRI titration | Adjunct Use |
| Severe panic disorder, acute crisis | Selank is not a rescue medication | Inappropriate |
| Active psychosis or severe depression | Outside the documented use case | Physician Decision Only |
Profile
Goal
Fit
Profile
Goal
Fit
Profile
Goal
Fit
Profile
Goal
Fit
Profile
Goal
Fit
Section 03
How It Works
Selank acts at GABA-A receptor signaling through a mechanism distinct from benzodiazepines. Rather than directly binding the benzodiazepine site, Selank influences gene expression of GABA-related neurotransmitter machinery. The result is upregulation of GABAergic signaling without the receptor agonism that produces tolerance and dependence.
Section 04
Realistic Expectations
Initial Calming Signal
Some users report a subtle reduction in baseline anxiety within the first few doses. Effect is mild and not sedating. Sleep onset may improve modestly.
Steady-State Effect
The published anxiolytic effect reaches plateau by the end of week one. Patients report easier social interaction, reduced rumination, improved focus.
Course Endpoint
The standard Russian protocol concludes here. Most patients pause and re-evaluate before deciding to repeat the course.
Section 05
Dosing Protocol
| Protocol | Dose | Frequency | Duration |
|---|---|---|---|
| RxPepsDirect Standard (Semax/Selank combo spray) | 1 spray per nostril (~2.5 mg each peptide) | Once or twice daily | 14 days, then evaluate |
| Russian Clinical Standard | 300 to 900 mcg per day (intranasal) | Divided across 2 to 3 doses | 14 days, sometimes 21 |
| Community Protocol | Variable, often higher doses | Multiple times daily | Continuous use, no documented basis |
Protocol
Dose
Frequency
Duration
Protocol
Dose
Frequency
Duration
Protocol
Dose
Frequency
Duration
Section 06
Ready to Use
0
Reconstitution steps required
503A
Licensed pharmacy (Optimal Balance), physician-supervised
Overnight
FedEx shipping, refrigerated
Section 07
Stacking
Pairs Well With
Semax (always combined in the spray)
Nootropic and dopaminergic. Russian clinical practice routinely combines the two.
Magnesium glycinate (oral)
Different mechanism, complementary calming. Common stack.
L-theanine (oral)
Alpha-wave modulator. No mechanistic conflict.
SSRI titration adjunct (with PCP awareness)
Selank may provide bridging anxiety relief while SSRI builds steady-state. Coordinate with prescribing physician.
Approach With Caution
Benzodiazepines (regular use)
Different mechanism but overlapping anxiolytic target. Avoid stacking without physician guidance.
Heavy alcohol
Sedative interaction not characterized. Avoid combining.
Pregnancy / lactation
No safety data. Avoid.
Severe psychiatric crisis
Selank is not a rescue medication. Acute crisis requires emergency care.
Section 08
Pricing
Who You Pay, and What For
Pharmacy: Medication
$150 per 15 mL combo spray. Compounded and shipped by Optimal Balance Pharmacy, a 503A licensed compounding pharmacy.
Medical Service: Physician Consultation
$39 medical visit fee. Intake consultation, protocol design, and follow-up. Billed by RxPepsDirect for the medical service only.
Section 09
Legal Access in 33 States
503A Licensed Pharmacy
Optimal Balance Pharmacy
Physician Prescription Required
Compounded medication, Rx only
Off-Label, Legal Practice
Not FDA-approved, prescribable through compounding
Russian Clinical Approval
Selank approved in Russia / CIS for anxiety
Section 10
Community Q&A
Why does the spray combine Selank with Semax?
Optimal Balance Pharmacy compounds the two together as a single nasal spray. The combination is the available pharmacy product. Russian clinical practice often uses them together (Selank for anxiety, Semax for cognitive support). RxPepsDirect can prescribe standalone Selank if your physician decides it is appropriate.
Is it really non-addictive?
The published Russian data reports no tolerance, no dependence, and no withdrawal. The mechanism (gene- expression modulation rather than direct receptor agonism) is consistent with that claim. Independent Western replication is limited.
How does Selank compare to a benzodiazepine?
Different mechanism. Slower onset. Less acute anxiolytic punch but no sedation, no motor impairment, no dependence. If you need acute rescue, Selank is not the right tool. If you need ongoing daily anxiolytic support without the benzodiazepine trade-offs, it may be.
Can I use Selank daily for months?
Russian clinical protocols typically run 14 days, sometimes 21. Continuous indefinite use is not the documented pattern. Your RxPepsDirect physician will design the cycle based on your clinical picture.
What happens if Optimal Balance is out of stock?
Your RxPepsDirect physician will be notified and you will be contacted before any delay impacts your protocol. You only pay the pharmacy when your prescription actually ships.
Section 11
The RxPepsDirect Model
Pharmacy: Optimal Balance, 503A Licensed
Optimal Balance Pharmacy compounds your Selank under a patient-specific prescription, USP standards, and federal 503A oversight.
Medical Service: RxPepsDirect Physicians
A licensed physician reviews your anxiety history, screens for contraindications, designs the cycle, and writes your prescription.
Transparent Safety Communication
The guide flags the Russian evidence base, the spray-bottle dosing variability, the 14-day course pattern, and the lack of acute-rescue capability. We do not hide limitations.
Legal Access in 33 States
Every shipment is a compounded prescription medication filled by a 503A licensed pharmacy under a physician prescription.
References
- Zozulia AA, Neznamov GG, Siuniakov TS, et al. Efficacy and possible mechanisms of action of a new peptide anxiolytic drug selank in the therapy of generalized anxiety disorders and neurasthenia. Zh Nevrol Psikhiatr Im S S Korsakova. 2008. PMID: 18454127
- Medvedev VE, Tereschenko OL, Kost NV, et al. Optimization of pharmacotherapy of anxiety disorders by the application of a peptide anxiolytic selank. Zh Nevrol Psikhiatr Im S S Korsakova. 2014.
Related protocol guides
Other protocols in the same clinical territory. Each guide is co-bylined by a licensed RxPepsDirect prescriber.
Russian nootropic + anxiolytic nasal spray
Semax / Selank combo guide: ACTH-fragment cognition plus tuftsin-analog anxiolytic
Two heptapeptides in one spray. Semax adds focus, Selank adds calm. Russian clinical use. Non-stimulant, non-sedating, 14 to 21 day course.
Delta sleep-inducing peptide
DSIP protocol guide: sleep architecture, the 15-minute half-life, and the abandoned clinical pipeline
Not a sedative. Most clinical data is 1981 to 1985 IV studies. Slow-wave sleep architecture modulator. 40 to 50 percent non-responder rate.
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