Canada’s #1 Source for Peptides
Free shipping on orders $300 & up
Trusted by 10,000+ Canadian Researchers
Canada’s #1 Source for Peptides
Free shipping on orders $300 & up
Trusted by 10,000+ Canadian Researchers
Canada’s #1 Source for Peptides
Free shipping on orders $300 & up
Trusted by 10,000+ Canadian Researchers
Canada’s #1 Source for Peptides
Free shipping on orders $300 & up
Trusted by 10,000+ Canadian Researchers
Canada’s #1 Source for Peptides
Free shipping on orders $300 & up
Trusted by 10,000+ Canadian Researchers
Canada’s #1 Source for Peptides
Free shipping on orders $300 & up
Trusted by 10,000+ Canadian Researchers

$54.99 – $99.99Price range: $54.99 through $99.99
Free shipping on orders $300 & up
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Semax is a synthetic peptide derived from a fragment of adrenocorticotropic hormone (ACTH). It has been studied primarily for its activity within the central nervous system and its influence on neurological signaling pathways.
Researchers have investigated Semax for its potential role in modulating neurochemical communication, particularly in pathways related to cognitive signaling, neuroendocrine activity, and neuronal regulation. Because of these interactions, Semax has attracted scientific interest in several areas of neuroscience and peptide research.
Semax has been widely studied for its interaction with signaling pathways involved in brain activity and neurotransmitter communication. Research suggests that the peptide may influence neurochemical pathways associated with neuronal signaling and central nervous system communication.
Scientists continue to explore how Semax interacts with neurotransmitter systems and how these interactions may influence broader neurological processes in experimental models.
Due to its activity in the central nervous system, Semax has become a peptide of interest in studies examining cognitive signaling and neurobiological pathways. Researchers have investigated how Semax may influence communication between neurons and how these signaling pathways relate to broader neurological function.
This research has contributed to growing scientific interest in Semax within the fields of neurobiology and peptide-based neuroscience.
Semax is also studied in relation to neuroendocrine communication, as the peptide is structurally related to ACTH-derived fragments. Investigations continue to explore how Semax may influence hormonal signaling pathways that interact with the central nervous system.
These studies help researchers better understand the complex relationships between endocrine signaling and neurological processes.
Scientific interest in Semax includes research involving:
Neurotransmitter signaling pathways
Cognitive and neurological research
Neuroendocrine communication
Central nervous system signaling
Peptide-based neuroscience research
These areas continue to be explored in laboratory and experimental settings.
Compound: Semax
Form: Lyophilized peptide powder
Grade: Research grade
Storage: Store refrigerated at 2–8°C
This product is intended for laboratory research purposes only.
It is not intended for human consumption, diagnosis, treatment, or prevention of any disease.
Peptides are short chains of amino acids that act as signaling molecules within the body. They are involved in a wide range of biological processes, including tissue repair, immune response, and cellular communication.
In research settings, peptides are studied for their ability to interact with specific receptors and pathways, making them valuable tools for scientific and laboratory analysis.
All peptides sold by Polar Peptides are intended strictly for research and laboratory use only and are not approved for human consumption.
All peptides are supplied in lyophilized (freeze-dried) form to ensure long-term stability during storage and shipping.
Unreconstituted vials should be stored in a cool, dry place away from direct light. For extended storage, refrigeration is recommended.
Once reconstituted for research purposes, peptides should be kept refrigerated and handled using sterile laboratory practices to maintain integrity.
Proper storage and handling are essential to preserve peptide stability, purity, and accuracy in research applications.
All orders are shipped directly from our Canadian fulfillment centre within 24 hours (Monday–Friday), ensuring fast and reliable shipping for all peptide products.
Delivery typically takes 2–5 business days depending on your location and the shipping method selected at checkout. We partner with trusted carriers to ensure secure and temperature-stable transit where required.
Once your order ships, a confirmation email with a real-time tracking number will be sent so you can monitor your package every step of the way.
We are committed to providing fast delivery across Canada, making Polar Peptides one of the most reliable peptide suppliers in the country.
We currently accept secure payments via Interac e-Transfer, the safest and fastest method for Canadian customers purchasing research peptides.
After placing your order, you will automatically receive an email with clear and detailed payment instructions. This ensures accurate payment processing and helps us ship your order without delay.
Your order will be prepared and shipped as soon as payment is successfully received and confirmed by our system.
Need step-by-step guidance? View our full instructions below: View Full Payment Instructions (View Full Payment Instructions)
We strive to make the payment process simple, safe, and smooth for all customers purchasing peptides in Canada.
Each vial contains peptides at approximately 104% of the labeled amount, providing full accuracy and consistency for research applications.
All vials arrive as lyophilized (freeze-dried) powder requiring reconstitution with bacteriostatic water . This is necessary because once reconstituted with liquid, they must be refrigerated to maintain stability. We do not ship reconstituted peptides.
Vial dimensions are standardized at 16mm diameter and 38mm height, with a maximum fill capacity of 3ml. This ensures compatibility with common research-use storage and reconstitution tools.
Our packaging and vial quality meet high industry standards, offering consistent quality across all peptide batches.
All peptides offered by Polar Peptides undergo strict quality-control procedures, including independent third-party analytical testing for purity, identity, and consistency.
We use advanced testing methods such as HPLC (High-Performance Liquid Chromatography) and Mass Spectrometry to verify that each peptide meets the required research-grade standards.
Every batch is tested before being released, and full Certificates of Analysis (COAs) can be provided upon request. This includes data on purity percentage, molecular confirmation, and batch identification.
For the most up-to-date COAs and lab documentation, simply email us and our team will send the current testing reports for the specific peptide(s) you are interested in.
We are committed to transparency, accuracy, and reliability—ensuring that researchers across Canada receive high-quality, fully verified peptide products every time.
Note: Due to factors such as U.S. cross-border shipping delays, laboratory backlog, and the fact that we offer over 40 different products, it is not always possible to have up-to-date or readily available COAs for every batch. We always strive to provide them when possible, but please understand that COAs may not always be available immediately.
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