Learning Center.
99 guides in 7 clusters. Each cluster has a hub page that says what its guides cover and which one to read first.
- Lab reports and verification2How to read a certificate of analysis, what each number means, and how the QR code on a pepuro vial opens the report for its batch.
- Reconstitution and storage9Adding water to a lyophilized vial, working out the concentration, and keeping peptides stable before and after.
- Peptide handling guides24One guide per research peptide, covering its identity, the vial sizes we stock, a concentration table, storage, and what its lab report shows.
- Peptide comparisons25Two similar peptides side by side: sequence, size, receptor, stability and what tells them apart on a lab report.
- Buying research peptides in Canada9Vetting a supplier, what domestic shipping looks like, and what importing from the United States really costs.
- Research use only, explained2Whether research peptides are legal to buy in Canada, what research-use-only means, what it permits, and where the line sits.
- Research peptides by city28Guides for researchers in each Canadian city we deliver to, with local shipping times, local context and notes on sourcing research peptides there.
Lab reports and verification
How per-vial QR code tracking works
Every pepuro vial carries a QR code that resolves to its own third-party lab report. Here's how per-vial tracking works and why it beats a generic batch PDF.
How to read a peptide lab report
What every number on a peptide certificate of analysis actually means, what to ignore, and how to spot a fake report.
Reconstitution and storage
How to spot fake bacteriostatic water
A checklist for telling genuine bacteriostatic water from a fake or mislabeled vial, and when acetic acid is used instead to reconstitute a peptide.
Where to buy bacteriostatic water for peptides in Canada
Where to buy bacteriostatic water for research peptides in Canada, what the label should say, whether unopened vials expire, and why not to make your own.
Is bacteriostatic water the same as reconstitution solution?
Bacteriostatic water is one kind of reconstitution solution, not a synonym for it. How it compares, how long an opened vial lasts, and where to buy it.
How to reconstitute 600mg and 1500mg glutathione
Glutathione vials hold 60 to 300 times the powder of a peptide vial. How much water to use, why the solution is acidic, and how to slow oxidation to GSSG.
Bacteriostatic water vs sterile water for peptides
Bacteriostatic water has a preservative that keeps a reconstituted peptide usable longer; sterile water does not. How they differ and when to use each.
What is a peptide blend?
A peptide blend is two or more research peptides lyophilized in one vial. What blends are, why peptides are combined, and how to verify a blended vial.
What does "lyophilized" mean?
Lyophilized means freeze-dried. Here's what that looks like in a peptide vial, why it's done, and what you do with the powder before use.
How to reconstitute a lyophilized peptide
The right way to add water to a freeze-dried peptide vial, how to work out the concentration, and the handling mistakes that lower your purity.
How to store research peptides
Where to keep lyophilized and reconstituted peptides, how long they actually last, and the storage mistakes that quietly ruin a vial.
Peptide handling guides
DSIP in Canada: what's sold and how to check it
DSIP is sold in Canada as a research chemical for lab use. Vial sizes, prices, how the rules apply, and how to check that a vial is really DSIP.
What is KPV peptide? The Lys-Pro-Val tripeptide
KPV is the three-amino-acid Lys-Pro-Val tail of alpha-MSH, 353.42 g/mol, sold as a 10 mg vial and as a component of two research blends.
Is GLOW peptide supposed to be blue?
Yes, once it is in solution. What turns a GLOW vial blue, why the same copper complex can read purple, and how cold the vial has to be kept.
Does semax need to be refrigerated?
Semax is stable as a dry powder and only needs the fridge once it is in solution. Storage, reconstitution, and what its lab report should show.
How much GHK-Cu is in KLOW? Reading the blend label
The 80 mg on a KLOW vial is the combined mass of all four peptides, not the GHK-Cu amount. Where the per-component figure lives on the batch report.
PT-141 in Canada: availability, storage and identity
PT-141 is sold in Canada as a research chemical for lab use. What that means, how long a reconstituted vial lasts, and when it needs the fridge.
What does TB-500 stand for?
TB-500 is named for thymosin beta-4. What the TB and the 500 mean, what TB-500 costs in Canada, and how to check a vial is the real molecule.
Is CJC-1295 the same as ipamorelin?
CJC-1295 and ipamorelin are two different peptides at two different receptors. How they compare, and how to reconstitute and store the blend.
Is ipamorelin a growth hormone?
Ipamorelin is not growth hormone. It is a five-residue secretagogue at the ghrelin receptor. Where it came from, its legal status and why it costs what it does.
How long can retatrutide stay out of the fridge?
Sealed, dry retatrutide is fine at room temperature in transit and briefly on the bench. Mixed retatrutide belongs in the fridge. Why, and which water to use.
GHK-Cu in Canada: where to find it and what it costs
GHK-Cu is sold in Canada as a research chemical. Where to find it, what a 50 mg or 100 mg vial costs, its legal status, and why it is not a growth hormone.
BPC-157 in Canada: what's sold and how to check it
BPC-157 is sold in Canada as a research chemical. What it is and isn't (not a steroid, not a GLP-1), the wolverine stack, and how to tell a tested vial.
DSIP (delta sleep-inducing peptide) handling guide
DSIP's numbers in one place: the nine-residue sequence, mass, where the name came from, vial sizes, concentration table and what its report should show.
Gonadorelin peptide: handling, salt forms and GnRH pulsing
Gonadorelin is synthetic GnRH, the ten-residue native sequence. Mass, salt forms, why pulsing matters in research, concentration and what its report shows.
BPC-157 reconstitution, storage and the lab report
The numbers for BPC-157 in one place: sequence, mass, vial sizes, concentration at common volumes, and what its lab report should show.
Epitalon reconstitution, storage and lab report guide
Epitalon's numbers in one place: the four-residue sequence, its mass, the vial size, concentration table and the amidated analog.
GHK-Cu: reconstitution, the colour check and storage
GHK-Cu's numbers in one place: the copper complex, its mass, the 50 mg vial, concentration table and the colour check you can do yourself.
Ipamorelin reconstitution and storage
Ipamorelin's numbers in one place: the selective pentapeptide, its mass, vial size, concentration table and what its report should show.
KPV peptide reconstitution, storage and lab report
KPV's numbers in one place: three amino acids at 353 g/mol, the vial size, concentration table and what its report should show.
MOTS-c reconstitution and storage
MOTS-c's numbers in one place: the mitochondrial-derived 16-residue peptide, its mass, vial size, concentration table and what its report should show.
Retatrutide reconstitution and storage
Retatrutide's numbers in one place: mass, the three receptors it targets, six vial sizes, concentration table and what its report should show.
Semaglutide reconstitution: the numbers for the bench
Semaglutide's numbers in one place: mass, the C18 chain that extends its half-life, vial sizes, concentration table and what its report should show.
TB-500 reconstitution, storage and lab report guide
TB-500's numbers in one place: mass, its relationship to thymosin beta-4, vial size, concentration table and what its report should show.
Tirzepatide reconstitution, vial sizes and storage
Tirzepatide's numbers in one place: mass, receptors, the six vial sizes we sell, concentration at common volumes and what its report should show.
Peptide comparisons
KLOW vs KPV: a four-peptide blend and a tripeptide
KLOW contains KPV as one of its four peptides, so they are not alternatives. What separates an 80 mg blend vial from a 10 mg KPV vial, and how each is checked.
BPC-157 vs GHK-Cu and KPV: three peptides compared
BPC-157 is a 15-residue peptide at 1419.53 g/mol. GHK-Cu and KPV are tripeptides near 400. How the three differ and which blends hold them together.
CJC-1295 and ipamorelin vs tesamorelin
CJC-1295 and ipamorelin is a two-peptide pair; tesamorelin is one GHRH analog. How they compare, where IGF-1 LR3 fits, and the masses that tell them apart.
TB-500 vs KPV: two research peptides compared
TB-500 is a 4,963 g/mol thymosin beta-4 peptide, KPV a 353 g/mol tripeptide. How they differ, and how TB-500 and GHK-Cu end up in one vial.
Ipamorelin vs sermorelin vs tesamorelin
Ipamorelin is a ghrelin agonist, sermorelin and tesamorelin are GHRH analogs. Masses, receptors, and how ipamorelin differs from HGH and MK-677.
Bacteriostatic water vs saline for peptides
Bacteriostatic water is sterile water with 0.9% benzyl alcohol. Saline is water with 0.9% salt. How they differ as peptide diluents, and which one to use.
GHK-Cu vs AHK-Cu: two copper tripeptides compared
GHK-Cu and AHK-Cu are both copper tripeptides. How they differ in sequence, what the catalog lists for each, prices per vial, and where NAD+ fits.
CJC-1295 and ipamorelin: why they are paired
A GHRH analog and a ghrelin agonist in one vial. Why the two are studied together, what each half does, and the molar concentrations once reconstituted.
Mazdutide vs survodutide vs retatrutide
Three peptides that add the glucagon receptor to GLP-1. Which receptors each one hits, who developed it, and how they sit next to semaglutide and tirzepatide.
Tesamorelin and ipamorelin: why they are paired
A full-length GHRH analog and a selective ghrelin agonist in one vial. What each half does, how it compares to the CJC-1295 pairing, and molar concentrations.
Cagrilintide vs Semaglutide: amylin analog vs GLP-1 analog
Paired in research, not swapped. Cagrilintide acts at amylin and calcitonin receptors, semaglutide at GLP-1: different hormones, different masses.
CJC-1295 DAC vs no-DAC
Same GHRH backbone, one extra chemical group. What the drug affinity complex does to half-life and mass, and how to tell the two apart on a report.
GHK-Cu vs GHK basic
The same three amino acids, with and without the copper ion. What the copper adds to the mass, the colour and the chemistry.
GHRP-2 vs GHRP-6 vs ipamorelin
Three ghrelin receptor agonists that differ by one design goal: selectivity. Sequences, masses, and what separates a selective agonist from a broad one.
Melanotan 1 vs melanotan 2 vs PT-141
Three melanocortin peptides: one linear, one cyclic, and one derived from the cyclic form. Sequences, masses and receptor targets.
Peptide blends vs single vials
A blend fixes the ratio and saves a vial. Single vials let you set the ratio and check each component's report. When each one makes sense.
Semaglutide vs Retatrutide: one receptor or three
Semaglutide is a 31-residue GLP-1 analog. Retatrutide is a 39-residue triple agonist. 618 daltons and two receptors separate them.
Semaglutide vs tirzepatide vs retatrutide
Three incretin peptides, one, two and three receptors. How they differ by sequence, size and receptor target, and what tells them apart on a lab report.
Semaglutide vs Tirzepatide: what is the difference?
One receptor or two, 31 residues or 39, and a 700 dalton gap on the mass spec. How the two most-ordered GLP-1 research peptides differ, molecule by molecule.
Semax vs selank
Two Russian heptapeptides from completely different parents. Sequences, masses, and why the acetylated amidated versions weigh more.
Sermorelin vs CJC-1295 (no DAC): four substitutions apart
Both are GHRH(1-29). CJC-1295 no DAC changes four residues for stability and gains ten daltons. Why they get confused and how a report keeps them apart.
Sermorelin vs tesamorelin vs CJC-1295
Three GHRH analogs built on the same fragment, each stabilised a different way. Masses, modifications and what tells them apart.
TB-500 vs TB-500 fragment 17-23
A 43-residue peptide and the seven residues inside it that do the actin binding. Masses, and why the fragment weighs a seventh as much.
Tirzepatide vs Retatrutide: dual agonist or triple?
Both are 39 residues with a C20 fatty chain. Retatrutide adds the glucagon receptor and drops 82 daltons. What separates them on paper and on a lab report.
BPC-157 vs TB-500: what's the difference?
BPC-157 and TB-500 are distinct research peptides studied in tissue-repair models. How they differ in sequence, size and research use, and how to verify each.
Buying research peptides in Canada
Is semaglutide available in Canada? What is sold here
Research-grade semaglutide is sold in Canada for laboratory use. How it differs from Ozempic, how long it keeps outside the fridge, and how to check a vial.
What are research peptides? A plain-English guide
Research peptides are short amino acid chains sold in Canada as laboratory materials. Here is what the label means, and how they are tested, stored and bought.
Is tirzepatide available in Canada? What is sold here
Research-grade tirzepatide is sold in Canada for lab use. How it differs from Mounjaro, how it keeps at room temperature, and how to pick a source.
Retatrutide in Canada: what's legal, what's sold
Retatrutide is sold in Canada as a research chemical for lab use. What that means legally, what a supplier can say, and how to check a vial is really it.
Do tariffs raise research peptide prices in Canada?
No. Research peptides are not on Canada's counter-tariff list. What a US order does cost you, and why ordering from a Canadian supplier is still cheaper.
Importing research peptides from the US: what you pay
Duty is waived under CAD $150, but sales tax starts at CAD $40, plus brokerage. The full cost of a cross-border order, and the costs that are not money.
Acheter des peptides de recherche au Canadafr
Ce que l'on peut commander, comment vérifier une fiole à la réception, et pourquoi commander au Canada plutôt qu'à l'étranger. Livraison gratuite.
Buying research peptides in Canada: shipping and customs
What to expect ordering research peptides within Canada: shipping speed, no customs risk, how lyophilized vials travel, and how pepuro delivers.
How to choose a research peptide supplier in Canada
A practical checklist for vetting a Canadian peptide supplier - testing, sourcing, shipping, and the red flags that should end the conversation.
Research use only, explained
Are research peptides legal in Canada?
A straight answer on the legal status of research peptides in Canada - how they're classified, what's allowed, what isn't, and where the responsibility sits.
What "for research use only" actually means
A plain-English explanation of the research-use-only label on peptides - what it signals, why suppliers use it, and what it means for you as a buyer.
Research peptides by city
Entreposer des peptides de recherche à Sherbrookefr
Non reconstituées, les fioles se gardent au réfrigérateur, scellées, à l'abri de la lumière. Reconstituées, le compte à rebours commence. Tout découle de là.
Peptides de recherche à Québec : fiole et rapport divergentfr
L'inspection à la réception est la seule vérification que vous contrôlez : quoi regarder, comment documenter un problème, que doit prévoir un remplacement.
Acheter des peptides de recherche à Montréalfr
Livraison gratuite à Montréal et un rapport de laboratoire lié à chaque fiole. Ce que nous offrons, les livraisons d'hiver et quoi vérifier à la réception.
Research peptides in Kingston, Ontario: keep your records
Ordering directly means the documentation is yours to keep. What Kingston researchers should retain, and why a report tied to the vial beats an email.
Buying research peptides in St. John's, sight unseen
Every vial reaches Newfoundland by mail, so the batch report is all you can judge before buying. What to read, what to check on arrival, and shipping terms.
Research peptides in Abbotsford and the US border
Picking up an order across the Sumas crossing does not avoid customs. It puts you in front of it in person, holding the goods, with every obligation attached.
Research peptides in Guelph: what in vitro use means
Guelph is an animal-science city, so one boundary needs stating clearly: research peptides are for laboratory work, not for giving to any living subject.
Ordering research peptides to Barrie and cottage country
Simcoe County has many part-year addresses and seasonal rural routes. Why the delivery address matters for material you inspect on arrival, and storing it.
Storing research peptides in Kelowna's summer heat
Kelowna clears 40 °C most summers, and the thermometer is not what threatens a vial. Two specific scenarios do, and both are about where the vial is sitting.
Research peptide blends vs single vials in Sherbrooke
A blend is two or more peptides lyophilized in one vial. When that helps, when separate vials give more control, and what a blend's report must show.
Research peptides to Regina: shipping surcharges to check
Smaller markets get worse terms through defaults. Rural surcharges and postal code exclusions that catch Regina and rural Saskatchewan addresses.
Saskatoon research peptides: purity vs identity on a report
A sample can be 99% pure and 99% wrong. Why Saskatoon researchers should read two numbers on a batch report, not one, and how to check both before ordering.
Research peptide delivery to seasonal addresses in Niagara
Niagara has many part-year addresses, and they cause specific delivery failures. Why the receiving address matters more for material you inspect on arrival.
Research peptides in Windsor: why not order from Detroit
The border is a legal threshold, not a distance. A parcel over the Ambassador Bridge is processed like any import: what that costs and who absorbs the loss.
Your first research peptide order in Oshawa, step by step
From checkout to the vial in your hand in Durham Region: how e-Transfer payment works, what arrives, what to check, and what to do if something is wrong.
Storing research peptides in Halifax humidity
Moisture is a lyophilized peptide's main weakness. A sealed vial handles Halifax's coastal air; a careless opening lets it in. How to store and open vials.
Research peptides in Victoria, BC: shipping to the Island
Island postal codes are where free shipping across Canada often ends. Surcharges and exclusions show up at the address step. How to check before you order.
Research peptides in London, Ontario: a two-minute check
Four free habits from institutional labs: accept against a batch certificate, tie it to the vial, inspect on receipt, and have a plan for material that fails.
Research peptides in Waterloo without a purchase order
Waterloo Region runs on small labs with no procurement office. How to order research peptides with no PO or institutional address, and what you take on.
Québec City research peptides: when a vial fails its report
Inspection on arrival is the only check you control. What to look for in Québec City, how to document a problem, and what a replacement policy should say.
Research-grade vs industrial-grade peptides in Hamilton
Hamilton knows industrial chemical supply better than any Canadian city. Research-grade peptides follow other rules: what grade means, what to ask for.
Research peptides in Winnipeg: winter delivery and storage
A vial left in a Winnipeg mailbox at -35 °C is fine. Opened cold in a warm kitchen, it may not be. What freeze-thaw threatens, and handling winter delivery.
How to store research peptides at home: an Ottawa guide
Unreconstituted vials go in the fridge, sealed and out of light; reconstituted ones are on a clock. Home storage through an Ottawa winter, and arrival checks.
Research peptides in Edmonton: how to read a COA
Edmonton has one of the strongest analytical cultures in Canada. A COA is the only document that says what is in a vial; the four elements that make one real.
Where to buy research peptides in Montréal
Research peptides to any Montréal address, shipped free with a batch lab report on every vial. Winter deliveries to walk-ups, and what to check on arrival.
Where to buy research peptides in Calgary
Order research peptides to any Calgary address with free shipping, 74 peptides in stock and a batch lab report on every vial. What to check when it arrives.
Research peptides in Vancouver: real supplier or reseller?
Vancouver has more peptide resellers per capita than anywhere in Canada. One question sorts them: can I see the report for this vial's batch?
Where to buy research peptides in Toronto
Research peptides to any Toronto address, shipped free with a lab report on every vial. What condo delivery means for a lyophilized vial, and what to check.