All peptides are available, not all are listed publicly. Contact us at info@centurywellbeing.com for inquiries.
$60.00
Free shipping on orders $300 & up
Automatically applied at checkout
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring neuropeptide composed of nine amino acids. It was first identified in studies examining sleep-related brain activity and has since been the subject of ongoing research into its role in neurological signaling and sleep cycle regulation.
DSIP is believed to interact with several neurotransmitter systems within the central nervous system. Research suggests the peptide may influence signaling pathways associated with sleep regulation and circadian rhythm activity.
Because of its involvement in brain signaling, DSIP has become an area of scientific interest in studies exploring sleep architecture, neurological balance, and neuroendocrine regulation.
DSIP has been widely investigated for its potential relationship with sleep regulation. Research models suggest that the peptide may influence mechanisms involved in the organization of sleep stages, including deeper phases of restorative sleep.
Scientists continue to explore how DSIP may interact with neurological signaling systems involved in sleep onset, sleep duration, and overall sleep structure.
This area of research has led to continued interest in DSIP as a molecule involved in the study of circadian rhythm regulation and sleep physiology.
Because DSIP operates within the central nervous system, researchers have examined how the peptide may interact with neurotransmitter pathways involved in brain activity and neural signaling.
Studies suggest that DSIP may influence signaling systems that regulate neuronal excitability and central nervous system balance. These interactions are currently being explored to better understand how neuropeptides contribute to broader neurological function.
Scientific investigations have also explored DSIP in relation to stress-related signaling pathways. Research models suggest that the peptide may influence neuroendocrine responses associated with environmental or physiological stress.
Because the brain plays a central role in coordinating hormonal and neurological responses, DSIP continues to be studied within broader research into stress adaptation and neuroendocrine communication.
Researchers have also examined DSIP in laboratory models studying cellular metabolism and mitochondrial activity. Some experimental findings suggest the peptide may influence pathways associated with cellular energy regulation and oxidative processes.
These investigations remain an active area of research aimed at better understanding how neuropeptides interact with cellular metabolism and biological stress responses.
Due to its presence in the central nervous system and involvement in multiple signaling pathways, DSIP continues to be investigated across several scientific areas, including:
Sleep cycle and circadian rhythm research
Neurotransmitter signaling studies
Neuroendocrine regulation
Cellular metabolism and oxidative balance
Stress-response signaling pathways
These research areas continue to expand as scientists explore the broader biological functions of DSIP.
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.
PeptidesPeptidesPeptidesPeptidesPeptidesPeptidesPeptidesPeptides