18+

Research Use Only — Adults 18+ Only. All products sold by PepHQ, LLC are for research, laboratory, and analytical purposes only. Not intended for human consumption, therapeutic use, or medical application. By continuing to browse, you confirm you are 18 or older and agree to our Terms of Use.

Semax 5mg Vial with High Quality Badge

Semax 5mg

Cognitive enhancement research peptide

$48.00per vial
$45.60 per vial for 3-4 vials (5% off)
$43.20 per vial for 5-9 vials (10% off)
$40.80 per vial for 10-19 vials (15% off)
$38.40 per vial for 20-49 vials (20% off)
$36.00 per vial for 50+ vials (25% off)
Third-party tested
Testing done in USA labs
Ships within 1-3 business days
Free shipping on orders over $200

Questions About This Product?

Not sure if this is right for your research? Our team is here to help.

How It Works

Semax operates through several fascinating mechanisms that researchers are still working to fully understand. At its core, it appears to boost the production of two critical brain proteins: brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF). Think of these as fertilizer for your brain cells – they help neurons grow, survive, and form new connections.

Primary Mechanisms

Neurotrophin Enhancement

Boosts BDNF and NGF production, promoting neuronal growth, survival, and new connection formation

Neurotransmitter Modulation

Enhances brain communication by modulating serotonin and dopamine systems, upgrading neural network efficiency

Supporting Effects

Antioxidant Properties

Helps clean up harmful molecules that can damage brain cells, providing neuroprotection

Cerebral Blood Flow

Improves blood flow to ensure neurons receive adequate oxygen and nutrients

Research Findings

Laboratory studies have revealed multiple promising applications for Semax across various neurological research areas.

Cognitive Enhancement

Studies have shown that Semax may improve various aspects of cognitive function, including memory formation, attention span, and mental clarity. Researchers have observed enhanced learning capabilities and improved information processing in laboratory settings.

Neuroprotection

Research indicates Semax may protect brain cells from various forms of damage. It appears to reduce the accumulation of beta-amyloid peptides (associated with Alzheimer's disease) and shield neurons from oxidative stress. This protective effect has made it a subject of interest for neurodegenerative disease research.

Mood Regulation

Through its effects on serotonin and dopamine systems, Semax has shown potential in research for mood stabilization and stress response. Studies suggest it may help regulate emotional responses without the sedating effects of traditional mood medications.

Stroke Recovery

Perhaps one of the most promising areas of research involves Semax's potential in stroke recovery. Studies have indicated it may help reduce brain damage following stroke and support the recovery of lost functions by promoting neural plasticity and repair mechanisms.

Anti-inflammatory Effects

Research has revealed that Semax possesses anti-inflammatory properties in the brain, potentially reducing neuroinflammation that contributes to various neurological conditions.

Storage Guidelines

Lyophilized peptides are stable at room temperature for several weeks when stored in a dry, sealed container away from light and moisture.

For extended storage, refrigeration (2-8°C) or freezing (-20°C) is recommended.

All products sold for research use only.

Recent Research (2024-2026)

Latest peer-reviewed publications on Semax cognitive peptide for laboratory research applications.

Semax Peptide Targets the μ Opioid Receptor Gene Oprm1

British Journal of Pharmacology, July 2025

RNA-seq analysis revealing novel mechanisms of Semax action in spinal cord injury models. Demonstrates effects on pyroptosis inhibition and neuroinflammation pathways relevant to neuroprotection research.

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The Potential of Semax and Its Derivative for Neuroprotection

PMC, 2025

Comprehensive assessment of Semax's neuroprotective effects on behavioral characteristics and development outcomes. Provides insights into molecular mechanisms for cognitive research applications.

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Improving Biological Age, Telomere Length, and Cognition: Case Report

Journal of Restorative Medicine, 2024 • Cited by 1

Clinical case report demonstrating Semax applications in combination with therapeutic interventions. Explores cognitive enhancement potential in research settings.

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IMPORTANT: This product is exclusively for laboratory research and not for human or animal use.