ACTH Fragment + Tuftsin Analog ยท Combo Nasal Spray

Semax / Selank: The Russian Nootropic Combo Guide

Semax is the focus and cognition half. Selank is the anxiolytic half. The two are routinely paired in Russian clinical practice and arrive together as one compounded nasal spray. This guide walks the combination honestly.

FDA Status

Off-Label, 503A Compounded

Pharmacy

Optimal Balance Pharmacy (503A licensed)

Medical Service

RxPepsDirect, physician-supervised

Access

33 U.S. States

Our promise: Both halves of this combo have a Russian-language clinical evidence base that has not been fully replicated in Western trials. The subjective effects are widely reported. We do not overstate the evidence quality.

Dr. Jonathan Snipes, MDMedically reviewed by Dr. Jonathan Snipes, MD. Last reviewed May 18, 2026.

Section 01

What the Combo Actually Is

Semax is a 7-amino-acid synthetic analog of the adrenocorticotropic hormone (ACTH) fragment ACTH(4-10), modified for CNS stability. It is approved in Russia for cognitive recovery after stroke and for cognitive impairment. The nootropic and neuroprotective effects come from upregulation of BDNF (brain-derived neurotrophic factor) and modulation of dopaminergic and serotonergic signaling.

Selank is a 7-amino-acid synthetic analog of the immunomodulatory peptide tuftsin, designed for CNS stability. It is approved in Russia for generalized anxiety disorder. The anxiolytic effect comes from GABA-A signaling modulation through gene expression rather than direct receptor agonism, which is why it does not produce sedation, tolerance, or dependence.

7 + 7

Amino acids each. Two heptapeptides combined in one spray.

14 to 21

Day standard course duration in Russian clinical protocols

Russia

Country of clinical approval for both peptides. Not approved in U.S. or EU.

Section 02

Who It Is Actually For

Profile

Knowledge worker, founder, executive

Goal

Sustained focus, mental endurance without stimulants, calm under pressure

Fit

Strong Fit

Profile

Generalized anxiety with cognitive complaints

Goal

Reduced rumination plus improved task engagement

Fit

Strong Fit

Profile

Post-stroke cognitive recovery (adjunct)

Goal

BDNF-mediated neuroplasticity support

Fit

Physician Decision

Profile

Athlete or shift worker seeking non-stimulant focus

Goal

Focus without amphetamine-class side effects

Fit

Adjunct Use

Profile

Acute psychiatric crisis, severe depression

Goal

N/A. Not a rescue medication.

Fit

Inappropriate

Section 03

How It Works

Semax: BDNF and Dopaminergic

Upregulates BDNF expression, modulates dopaminergic and serotonergic transmission, and has documented neuroprotective effects in ischemia models. The clinical signal is focus, motivation, and cognitive clarity without amphetamine-class side effects.

Selank: GABA Gene Expression

Modulates GABA-A receptor subunit expression and BDNF rather than directly binding the benzodiazepine site. The result is anxiolytic effect without sedation, tolerance, or dependence. Mechanism is plausible, Western replication is incomplete.

Section 04

Realistic Expectations

20-30 min

Acute Onset

Subtle focus and calming effect appears 20 to 30 minutes after nasal dosing. Effect is not stimulating in the amphetamine sense. Most users describe "quieter mind, clearer thinking."

2-4 hours

Peak Subjective Effect

Peak focus and reduced anxiety. The window most patients schedule deep-work sessions or anxiety-provoking tasks around.

Day 7-10

Cumulative Signal

The published Russian data describes a cumulative effect over 1 to 2 weeks of regular use. Baseline anxiety and cognitive complaints continue to improve even when not acutely dosed.

Day 14-21

Course Endpoint

Standard course ends here. Most users pause and re-evaluate before continuing.

Section 05

Dosing Protocol

Protocol

RxPepsDirect Standard

Dose

1 spray per nostril (~2.5 mg each peptide)

Frequency

Once or twice daily

Duration

14 to 21 days, then evaluate

Protocol

Russian Clinical Protocol

Dose

300 to 900 mcg total daily of each peptide

Frequency

Divided across 2 to 3 doses

Duration

14 to 21 days

Protocol

Cognitive Recovery Protocol (post-stroke)

Dose

Higher cumulative dose under physician oversight

Frequency

Daily for extended duration

Duration

Per physician protocol

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

  • Caffeine (moderate)

    Mechanistically distinct. Semax adds clarity without amphetamine-class arousal. Many users layer the combo onto morning coffee.

  • L-theanine (oral)

    Alpha-wave modulator. Stacks well with Selank's anxiolytic action.

  • Magnesium glycinate (evening)

    Different mechanism. Useful if you use the combo during the day and want sleep support.

  • Sermorelin (evening)

    Different system entirely (GH axis). Common cognitive-plus-physical longevity stack.

Approach With Caution

  • Active psychiatric medication regimens

    Semax modulates serotonergic and dopaminergic systems. Coordinate with your psychiatrist before adding.

  • Pregnancy / lactation

    No safety data for either peptide. Avoid.

  • High-dose stimulants

    Semax is not a stimulant but can amplify subjective alertness. Stacking with high-dose amphetamines or modafinil is not the documented pattern.

  • Acute psychiatric crisis

    Not a rescue medication. 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.

Section 10

Community Q&A

Will it feel like Adderall?

No. Semax produces a focus signal but not the catecholamine surge of amphetamines. There is no jitter, no appetite suppression, and no crash. Effect is quieter and more sustained.

How does this differ from the Selank-only guide?

Selank alone targets anxiety. The combo adds Semax for cognitive support. Optimal Balance Pharmacy fills the combo as a single spray, which is why RxPepsDirect typically prescribes the combo format.

Can I use it daily for months?

Russian clinical protocols are typically 14 to 21 day courses with pauses. Continuous indefinite use is not the documented pattern. Your RxPepsDirect physician will design the cycle.

What if I am on an SSRI?

Semax modulates serotonergic transmission. Stacking with an SSRI is not documented as safe in Western literature. Coordinate with your psychiatrist before starting. RxPepsDirect screens for this at intake.

What 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 the combo spray under a patient-specific prescription, USP standards, and federal 503A oversight.

Medical Service: RxPepsDirect Physicians

A licensed physician reviews your history, screens for psychiatric medication conflicts, and writes your prescription. RxPepsDirect bills the $39 medical visit fee for this service.

Transparent Safety Communication

The guide flags the Russian evidence base, the spray-bottle variability, the SSRI interaction risk, 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

  1. Levitskaya NG, Sebentsova EA, Andreeva LA, et al. Comparative study of analgesic effects of Met-enkephalin and its synthetic analogue Semax. Bull Exp Biol Med. 2002. PMID: 12459875
  2. 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

Related protocol guides

Other protocols in the same clinical territory. Each guide is co-bylined by a licensed RxPepsDirect prescriber.