Exclusive offer
Free bac water
with every peptide order.
Order research peptides from NordSci Peptides and receive complimentary pharmaceutical-grade bacteriostatic water with every purchase — everything you need to reconstitute your peptides, included at no extra cost.
what we carry
Everything you need to start.
Sourced for peptide research. No subscriptions. No minimums.
Bacteriostatic Water
30 mL multi-use vial
0.9% benzyl alcohol sterile water — the pharmaceutical standard for reconstituting lyophilized peptides. Keeps solutions viable for up to 28 days.
View in shopStarter Bundle
Bac water — research ready
Everything needed to start your first protocol in one purchase. Includes a 30 mL bacteriostatic water vial — pharmaceutical grade and ready for peptide reconstitution.
View in shopstep by step
How to reconstitute peptides.
Proper reconstitution takes under five minutes and determines the stability and safety of every dose that follows.
Wipe both vial stoppers with an alcohol swab and allow to air dry.
Draw the required volume of bacteriostatic water using a sterile draw tool.
Insert into the peptide vial. Release water slowly along the inside wall — never directly onto the powder.
Gently swirl the vial until the powder dissolves completely. Never shake.
Label with the date and working concentration. Refrigerate immediately at 2–8°C.
why it matters
Bacteriostatic water explained.
Bacteriostatic water is sterile water containing 0.9% benzyl alcohol. It is the pharmaceutical standard for reconstituting lyophilized peptides because benzyl alcohol inhibits bacterial growth — keeping your reconstituted solution viable and safe for up to 28 days when refrigerated.
Why not sterile water? Sterile water lacks a preservative. Without benzyl alcohol, a reconstituted peptide vial is vulnerable to bacterial contamination after the first draw and must be used immediately. For multi-dose protocols that span days or weeks, bacteriostatic water is the only appropriate diluent.
Storage. Keep unopened bacteriostatic water at room temperature away from direct light. Once a peptide has been reconstituted, refrigerate immediately at 2–8°C and never freeze. Label every vial with the reconstitution date and calculated concentration.
peptide dosage guides
Research protocols, simplified.
Expert-level dosage guidelines for every major research peptide — written clearly, updated regularly.
browse all
dosage guides, simplified.
Clear protocols. No jargon. Just what you need to know.
BPC-157
A synthetic pentadecapeptide derived from a protective sequence in human gastric juice, extensively studied for tissue repair, angiogenesis, and gastrointestinal protection.
View dosage guideRetatrutide
A triple-agonist peptide targeting GIP, GLP-1, and glucagon receptors — studied for its effects on hunger, energy use, and metabolic health.
View dosage guideTesamorelin
A synthetic peptide that mimics the brain's growth hormone-releasing signal — studied for fat metabolism, body composition, and hormone regulation.
View dosage guideIpamorelin
A selective growth hormone secretagogue studied for recovery, lean mass support, and sleep quality — known for targeting GH release without broad hormonal disruption.
View dosage guideCJC-1295
A long-acting GHRH analog studied for sustained growth hormone release, recovery, lean mass support, and body composition — often paired with Ipamorelin.
View dosage guideGHK-Cu
A naturally occurring copper-binding peptide studied for tissue repair, collagen production, skin regeneration, and cellular recovery — one of the most researched compounds in anti-aging science.
View dosage guideEpitalon
A synthetic tetrapeptide studied for telomerase activation, cellular aging, sleep regulation, and long-term biological function — used in short cycles rather than continuous dosing.
View dosage guideAdipotide
A research peptide studied for targeted fat cell reduction by disrupting blood supply to fat tissue — mechanism differs fundamentally from metabolic peptides like Semaglutide or Retatrutide.
View dosage guideSemaglutide
A GLP-1 receptor agonist studied for appetite regulation, blood sugar control, and long-term body-weight reduction — structured around a gradual weekly dose increase over several months.
View dosage guideTirzepatide
A dual GLP-1/GIP receptor agonist studied for appetite regulation, blood sugar control, and body weight — stronger average outcomes than single-pathway compounds like Semaglutide.
View dosage guidesafety first
your safety matters.
Peptides can be powerful. That's why responsible use starts with the right information.
source verification
Only use peptides from reputable suppliers who provide third-party certificates of analysis. Verify 99%+ purity and the absence of contaminants. Your health depends on what's in the vial.
sterile practices
Always use sterile, single-use equipment and alcohol swabs. Clean vial stoppers before each draw. Never share needles or vials. Proper technique prevents infection and contamination.
medical guidance
Consult a healthcare provider before starting any protocol. Regular bloodwork monitoring is essential. Report unusual side effects immediately. This is your health — treat it seriously.