Learning Center.

• Bacteriostatic water vs sterile water for peptides

  Bacteriostatic water contains a preservative that lets a reconstituted research peptide last longer; sterile water doesn't. Here's the difference and when each is used.

• BPC-157 vs TB-500: what's the difference?

  BPC-157 and TB-500 are two distinct research peptides studied in tissue-repair models. Here's how they differ by sequence, size, and research context — and how to verify either.

• Buying research peptides in Canada: shipping, customs, and what to expect

  What to expect ordering research peptides within Canada — domestic shipping speed, no customs risk, how lyophilized vials travel, and how delivery works at pepuro.

• 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.

• What is a peptide blend?

  A peptide blend is two or more research peptides lyophilized together in a single vial. Here's 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.

• 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.

• 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.

• 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.

• 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.