Semax
Also known as: ACTH(4-10) analog
A synthetic peptide derived from a fragment of the ACTH hormone that is most associated in discussion with focus, memory, and neuroprotection.
Class
Synthetic nootropic peptide
Default unit
mg
Common route
Intranasal
Typical half-life
Short (minutes); effects reported to outlast plasma levels
Frequency
Daily
Commonly associated areas
Illustrative map of the body systems Semax is most often discussed in relation to. Relative emphasis only — not a measure of efficacy or a medical claim.
Proposed mechanisms / pathways
What is Semax?
Semax is a synthetic peptide derived from a fragment of the adrenocorticotropic hormone (ACTH), specifically a modified ACTH(4-10) sequence. Developed in Russia, it is typically discussed as a nootropic and is most often associated with focus, memory, and neuroprotection. It is usually administered as an intranasal solution.
How it is thought to work
Semax is thought to act on several fronts at once — it is reported to raise levels of BDNF and other neurotrophic factors, to influence the dopamine and serotonin systems, and to interact with peptide pathways downstream of its ACTH-fragment origin. Because much of the supporting evidence comes from Russian research and animal studies rather than large international trials, these mechanisms should be read as proposed rather than firmly established.
Educational only — not medical advice
Semax is a research compound that is not an approved medicine in most countries, and nothing on this page is a recommendation, dose, or medical claim. Consult a qualified healthcare provider and follow the laws and regulations in your area.
Tracking Semax in LynkDose
Because Semax is short-acting and its reported benefits — focus, recall, clarity — are largely subjective, consistent logging matters more here than with many compounds. In LynkDose, record the dose and time of each intranasal application, then add a quick daily rating for focus, memory, and mood. Over several weeks those notes turn scattered impressions into a trend you can actually evaluate.
Commonly discussed for
- Focus and mental clarity
- Memory and learning support
- Neuroprotection and recovery
Often stacked: Often discussed alongside Selank as a focus-plus-calm pairing, though stacking practices vary widely and are not standardized.
How to track Semax in LynkDose
Semax is short-acting and its reported effects are subjective, so log each dose and time, then rate focus, recall, and mood on a simple daily scale to surface patterns over weeks.
Deeper read: How to Track a Peptide Cycle: A Complete Guide
Not medical advice
This page is educational and does not recommend, prescribe, or dose any compound. Many peptides are research chemicals not approved for general human use. Always consult a qualified healthcare provider and follow the laws in your area.