Semax is a synthetic peptide analog of an ACTH fragment (ACTH 4-10), studied for BDNF-mediated focus and attention support. It is compounded and not FDA-approved; much of its evidence comes from clinical use in Russia. Ivologist prescribes it as a nasal spray or subcutaneous injection after a medical telehealth consultation.
Semax Peptide
A physician-supervised Semax protocol for focus, attention, and brain fog. Semax is a synthetic ACTH-fragment analog studied for BDNF-linked cognitive support; some people report an effect the same day. Programs include an online provider consultation, medication, supplies, and ongoing clinician guidance.
You save $99
- Clinician consultation
- Peptide medication
- Free shipping
- May require labs
One-time payment, not a subscription. Up to 3 cycles per year. A cycle is the program length; your provider decides whether treatment is right for you and sets your dose, schedule and duration. We do not offer clinical trials. Individual results may vary.
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Studied for focus and attention through BDNF, a signal that supports the growth and survival of brain cells.
Same-day onset is reported in research settings; many people report noticing something within the first week, though not everyone does.
Studied as working through BDNF rather than dopamine or noradrenaline, so a stimulant-style crash, appetite suppression or effect on that night's sleep is not expected.
Clinician guided, labs first: B12, iron, and thyroid are ruled out before prescribing.
Pairs with Selank in the Clarity program for focus with a calm edge rather than a jittery one.
All treatment plans require medical evaluation and approval. Individual results may vary.
Take control of your health in 6 simple, affordable steps
Personalized Intake
Tell us about your health, goals, and history through a secure intake questionnaire.
Clinician Review
A licensed clinician reviews your information and determines what's right for you.
Diagnostic Lab Testing
Baseline lab work checks your health markers before any peptide is prescribed.
Clinical Evaluation
A provider reviews your labs with you in a live video visit and confirms your suitability for peptide therapy.
Medication Delivered
Your prescribed medication is prepared by a partner pharmacy and shipped to your home.
Ongoing Support
Your progress is monitored with follow-ups and adjustments as needed.
Built around 12-week cycles
Peptide programs are sold in 12-week cycles (about 3 months). You can buy one cycle or a bundle of up to 3 cycles up front, with a maximum of 3 cycles per year.
Labs and a provider consultation are required.
Every peptide program starts with lab work and a live consultation with a licensed provider before anything is prescribed.
- Lab panel includedOne cycle at a time
- Bundle of 2 · save 7.5%
- Bundle of 3 · save 12.5%
- Clinician consultation & follow-up access
- All peptide medication for the cycle
- Shipping to your door
- Injection supplies & dosing guide
Peptide therapy
Not sure which peptide program is right for you?
Talk it through first in a free 15-minute provider consultation. A U.S.-licensed provider will go over your goals and health history, explain how the programs work, and help you decide whether one is right for you before you commit to a cycle. There is no obligation to start treatment.
Book a Free Provider Consultation
Understanding Semax and BDNF
Why a nerve-growth signal is studied for attention rather than stimulation. Learn how clinician-guided Semax may support focus, attention, and brain fog.
Understanding Semax & BDNF
Learn about Semax, how it works, and how clinician-guided therapy may support your focus and attention goals.
The Physiology
Proposed BDNF Pathway
Semax → BDNF ↑ → neuroplasticity → focus & attention
Semax is a synthetic analog of a fragment of ACTH (ACTH 4-10) with the hormonal activity removed. It was developed and registered in Russia as an intranasal preparation, which is the form its clinical record is built on.
In research it raises BDNF, a signal that supports the growth and survival of brain cells, and is studied for focus, attention and neuroplasticity. It is not thought to act on dopamine and noradrenaline the way a stimulant does, so a crash, appetite suppression or interference with sleep later the same day is not expected. Much of this evidence comes from clinical use in Russia, with few controlled Western trials.
Symptoms
Symptoms & Signals
Semax is considered when patterns like these are present:
Brain fog is often something else first — low B12, low iron, low vitamin D, thyroid disease or poor sleep — which is why labs come before any prescription.
Who Is It For?
Who May Benefit from Semax?
Semax may be considered for adults who are:
Clinical evaluation is required. Your eligibility will be determined by a licensed provider.
Semax vs Stimulants
Semax vs Stimulants
Different mechanisms. Semax's evidence is mostly from clinical use in Russia, with few controlled Western trials.
Semax
Studied for raising BDNF rather than pushing dopamine and noradrenaline.
- No crash or appetite suppression expected
- Morning dosing is not expected to carry into the evening
- No dependence or withdrawal reported so far
Stimulants
Work on dopamine and noradrenaline.
- •Effective, but with a crash, appetite loss and sleep interference
- •Often the reason patients look for an alternative
Treatment decisions are determined through clinician evaluation. If you take prescribed stimulants, your blood pressure is checked before combining.
Protocol
Protocol Philosophy
Semax is the one program in the formulary where some people report an effect the same day, so the course is about steadiness rather than build-up.
An example, not your plan. On this page Semax comes as a nasal spray or an injection; your provider chooses the form. The 12-week cycle you choose is the program: clinician consultation, peptide medication and free shipping; labs may be required. It is not a dosing schedule; your provider decides your dose, how often and for how long.
Days 1–7
Some people notice the fog lifting slightly or tasks feeling less effortful. Not everyone does.
Weeks 2–8
Any effect tends to settle rather than build; your provider decides any change in dose.
Weeks 8–12
Reviewed together against how you described things at the start.
Ongoing
Courses typically run 8–12 weeks. Semax can also be used only on the days you need it; no rebound on stopping has been reported.
Responses vary by individual.
Research Findings and Limits
Research Findings and Limits
What Semax has been studied for, and the kind of study behind each:
Limits of the research. Much of Semax's evidence comes from clinical use in Russia, with few controlled Western trials. No outcome is guaranteed.
Individual responses vary.
Designed for Safety. Guided by Clinicians.
- Not a stimulant — Semax is studied as working through BDNF, not dopamine or noradrenaline, so a crash, appetite loss or effect on that night's sleep is not expected
- Labs first — brain fog is more often low B12, low iron, low vitamin D or thyroid disease, so those are tested before Semax is prescribed
- Not a treatment for depression — if mood is the main concern, we refer you to proper mental-health care rather than prescribe
Semax is excluded in pregnancy and breastfeeding, and blood pressure is checked before it is combined with any stimulant
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Legitscript certifiedIndividual experiences vary. Testimonials reflect personal opinions and do not guarantee outcomes.
The licensed providers behind your personalized care
Dr. Utkal Patel
MD, Internal Medicine
Critical Care Medicine
Samantha Alonso
Board Certified
Family Nurse Practitioner
Dalila Tarr
FNP-BC
Nurse Practitioner
Dr. Randa Soukieh
Board Certified
Family Medicine
Dr. Rashed Alfarra
Board Certified
Internal Medicine, Nephrology and Critical Care
Carrie Ferguson
FNP, BC
Nurse Practitioner
Christina Case
AGACNP-BC
Nurse Practitioner
Yana Norman
FNP
Nurse Practitioner
Lashanda Roberts
FNP-BC, BSN, RN
Nurse Practitioner
Esther Mwaura
FNP-C, AGACNP-BC
Nurse Practitioner
Dr. Arijit Chowdhury
Board Certified
Internal Medicine
Dr. Sushil Gupta
MD, FCCP
Internal Medicine, Pulmonary & Critical Care
Tynetta Eleazer
MSN, RN, APRN, FNP-BC
Nurse Practitioner
Brandon Olinger
AGACNP-BC
Nurse Practitioner
Brenda Ballard
Integrative Health Practitioner
Health Coaching
Lauren Grube
Integrative Health Practitioner
Health Coaching
Frequently Asked Questions
Get answers to commonly asked questions.
Yes. Semax requires evaluation by a licensed provider, who screens your labs and history and chooses the form — nasal spray or injection — before anything is prescribed.
Semax is a synthetic peptide analog of a fragment of ACTH (ACTH 4-10) with the hormonal activity removed. Developed and registered in Russia as a nasal preparation, it raises BDNF and is studied for focus, attention and neuroplasticity.
No. Semax is compounded by licensed US pharmacies and is not FDA-approved. Much of the evidence is early stage or comes from clinical use outside the US, with few controlled Western trials.
Semax is the only program in Ivologist's formulary where a same-day effect is reported. Some people notice the fog lifting slightly within the first few days, and some the first morning; any effect then tends to settle rather than build. Not everyone notices a change.
Stimulants work on dopamine and noradrenaline, which is why they cause a crash, suppress appetite and interfere with sleep. Semax is studied as working through a different route, raising BDNF, so its effect is expected to be quieter with nothing to come down from; no dependence or withdrawal has been reported so far.
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