🧠 Cognitive EnhancementPhase II

Semax

ACTH 4-7 Pro8-Gly9-Pro10 · Heptapeptide

A neuropeptide for enhanced focus, memory, and brain protection

Typical Dose

500 mcg–1 mg once daily

Route

Subcutaneous

Frequency

Once daily

Cycle

2–4 weeks on, 1–2 weeks off

Overview

Semax is a brain-boosting peptide that has been used as a prescription medicine in Russia for decades. It was developed from a piece of a hormone your body already makes, and it works by increasing a protein in your brain called BDNF — often nicknamed "brain fertilizer" because it helps neurons grow, connect, and survive. People use it for sharper focus, better memory, and protection against cognitive decline. It is also used clinically in Russia for stroke recovery and brain injuries.

Key Benefits

Supports cognitive enhancement and mental clarity
Provides neuroprotective effects
May improve memory, focus, and stress response
Increases BDNF (Brain-Derived Neurotrophic Factor)
Reduces anxiety and improves mood
Supports recovery from neurological events

Mechanism of Action

Semax works by increasing BDNF (Brain-Derived Neurotrophic Factor), a protein that acts like fertilizer for your neurons. More BDNF means your brain cells grow stronger connections, survive longer, and recover better from damage. Semax also nudges your dopamine and serotonin systems, which is why users often report improved mood and motivation alongside the cognitive benefits. When taken as a nasal spray, it travels directly from your nose to your brain, which is why effects can be felt within 30 to 60 minutes.

Dosing Protocol

Typical Dose

500 mcg–1 mg once daily

Dose Range

500 mcg–2 mg/day

Frequency

Once daily

Route

Subcutaneous injection

Cycle Length

2–4 weeks on, 1–2 weeks off

CLINICAL NOTES

Common dosing ranges from 500 mcg to 1 mg per day. Dosage may vary based on individual goals, tolerance, and clinical guidance.

Reconstitution calculator and cycle planner pre-filled with Semax defaults

Reconstitution Guide

Vial Size

10 mg

BAC Water

1 mL (100 units)

Concentration

10 mg/mL

STEP-BY-STEP INSTRUCTIONS

Remove the caps from the bacteriostatic water (BAC water) and Semax vial and clean both stoppers with alcohol swabs. Draw 100 units (1 mL) of bacteriostatic water into a syringe and inject it into the Semax vial. Swirl gently until fully dissolved — do not shake. The solution is now 10 mg/mL.

DRAW VOLUME REFERENCE

DoseUnits (U-100)Volume (mL)
500 mcg5 units0.05 mL
1 mg10 units0.10 mL
2 mg20 units0.20 mL

STORAGE

Lyophilized powder: store in a cool, dry place. Once reconstituted: refrigerate and use within 30 days.

Side Effects & Safety

Increased anxiety (at high doses)
Irritability
Nasal irritation with intranasal use
Fatigue (rare)

IMPORTANT DISCLAIMER

This information is for educational purposes only. Always consult a qualified healthcare provider before starting any peptide protocol. Individual responses vary and medical supervision is recommended.

Research References

Common Stacks

Semax is a cognitive enhancer that pairs well with anxiolytic peptides for a balanced nootropic stack.

Frequently Asked Questions

Quick Reference

CategoryCognitive Enhancement
Research StatusPhase II
Typical Dose500 mcg–1 mg once daily
RouteSubcutaneous
Cycle2–4 weeks on, 1–2 weeks off

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