Stacks, Blends & Protocols
Semax / Selank
The focus-and-calm nootropic pairing. Semax brings clarity, attention, and drive; Selank takes the edge off with its anti-anxiety effect — productivity without the jitter. Two Russian-developed peptides, run together. Not FDA approved in the US; physician-supervised and compounded at a licensed pharmacy for California patients.
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Physician-reviewed peptide therapy, prescribed only when appropriate.
Protocol at a glance
- Route
- Intranasal or subcutaneous
- Frequency
- Once or twice daily
- Course
- Cyclical course
Physician-reviewed. Prescribed only if appropriate after a telehealth consult — full refund if a licensed clinician determines it isn't right for you.
Why patients choose it
Why people run Semax with Selank
Focus, without the jitter
Semax is studied for attention and mental drive; Selank balances it with an anxiolytic effect — the pairing is often described as "focused calm" rather than stimulant-style overstimulation.
Two angles on cognition
Semax leans toward clarity and neuroprotection, Selank toward stress and mood balance. Together they cover both the drive and the calm side of cognitive performance.
Years of clinical use
Both peptides were developed in Russia and have been used clinically there for years, giving the pairing a real-world track record outside of the lab.
Overview
What the pairing is
Semax and Selank are two synthetic nootropic peptides that are frequently run as a pair because their effects are complementary:
- Semax — a synthetic analog of the ACTH(4-10) fragment, studied for focus, attention, mental clarity, and neuroprotection, with research linking it to BDNF activity.
- Selank — a synthetic analog of the immunomodulatory peptide tuftsin, studied for anxiolytic (anti-anxiety) and cognitive-balancing effects via GABAergic and serotonergic pathways.
The idea behind the stack is balance: the drive and clarity associated with Semax, paired with the calming, anxiety-reducing effect of Selank, so the result is described as "focused calm" rather than a wired, overstimulated state. Both are also offered individually if you only want one side of that equation.
Candidacy
Who it's for
The Semax / Selank pairing may be considered for:
- People seeking focus and mental clarity without stimulant-style overstimulation
- Those who want cognitive drive paired with stress and anxiety reduction
- Individuals interested in nootropic peptides with a track record of clinical use abroad
- Anyone exploring neuroprotection and mood balance as part of a cognitive routine
Neither peptide is FDA approved in the US. Much of the human data comes from Russian clinical use. Discuss the risk/benefit profile with your physician before starting.
What to expect
How it unfolds, week by week
01
First days
Many people notice the acute effects of the intranasal route quickly — Semax toward focus and clarity, Selank toward a calmer baseline — since both are studied for relatively fast onset.
02
Early weeks
Used consistently on a cyclical schedule, the pairing is described as supporting steady focus alongside reduced day-to-day anxiety and a more even mood.
03
Ongoing course
Both peptides are typically run cyclically rather than continuously. Your physician will guide the schedule, dose, and any off periods based on your goals and response.
FAQ
Semax / Selank questions
Related peptides
Often explored together
Semax
The focus-and-clarity half of the stack — studied for attention and neuroprotection.
Learn more →Selank
The calm half of the stack — studied for anxiety reduction and cognitive balance.
Learn more →NAD+
Cellular energy and longevity support, often explored alongside cognitive peptides.
Learn more →DSIP
Delta sleep-inducing peptide studied for deeper, more restorative rest.
Learn more →Ask about Semax / Selank in California
Speak with a physician about whether the Semax / Selank pairing is appropriate for you. No clinic visit required.
Check Your EligibilitySemax / Selank
Physician-reviewed