Research information only. PrecisePep is an educational library. It is not medical advice and is not intended to assist, encourage or enable self-administration. The compounds documented here are research chemicals — most are not approved for human use. Read the full disclaimer.
Reference
Research supplies
Suppliers, consumables and the questions worth asking before ordering anything. PrecisePep
does not sell, manufacture, test or handle any compound.
Before you read further
Vendor listings are provided for research-supply reference. PrecisePep does not manufacture, sell, test, ship or handle any compound. Listing is not an endorsement of quality, legality, or fitness for any purpose. Independently verify third-party testing, and verify what you are legally permitted to purchase and possess where you live.
Suppliers
Listed vendors
Vertex Labs
Partner code available
Research peptide supplier stocking the individual compounds and pre-made blends documented across this library, including KLOW, GLOW and Wolverine blend presentations.
Brandon310% off on top of existing site discounts. Apply the code at checkout — it stacks with whatever promotion Vertex Labs is already running, so it is worth using even during a sale.
Individual peptides and pre-blended vials
Bacteriostatic water and reconstitution supplies
Ask for the blend ratio and any third-party analysis before ordering a multi-component vial
Disclosure: This is an affiliate/partner code. PrecisePep and Prime Edge Training may receive a benefit if it is used. It is disclosed here so you can weigh that when reading the listing.
Amino Club
Partner code available
Research peptide supplier with a roughly 50-product catalogue, including the blends this library documents (KLOW, GLOW, Wolverine, CJC+Ipamorelin) and an unusually large range of intranasal spray presentations. Also runs a build-your-own subscription box, bulk ordering and a membership tier.
BRANDONMReferral code. Enter it at checkout, or use the link below which carries it automatically. Amino Club also runs its own sitewide promotions from time to time — check whether the codes stack before assuming they do.
Publishes Certificates of Analysis and states an 8-assay panel per batch: purity by HPLC, net peptide content, identity, appearance, fentanyl screen, heavy metals by ICP-MS, sterility by PCR, and endotoxin
States that testing is done at independent ISO 17025 accredited laboratories, with batch records kept for traceability
States a 99%+ purity standard, and that batches below it are not shipped
Read the COA rather than the claim — compare net peptide content against the label mg, not just the purity percentage, since a vial can be 99% pure and still contain less peptide than stated
Several products are listed under coded names (GLP-1, GLP-2, GLP-3) rather than compound names — confirm exactly which molecule you are buying before ordering
Disclosure: This is an affiliate/referral code and the link above carries referral tracking. PrecisePep and Prime Edge Training may receive a benefit if it is used. The quality claims listed above are the vendor’s own statements taken from their published quality and COA pages; they have not been independently verified by this site.
Rebirth Labs
Partner code available
Research peptide supplier with a catalogue of roughly 47 products. It stocks all four blends this library documents — KLOW, GLOW, Wolverine and CJC-1295 + ipamorelin — alongside most of the individual compounds, plus bacteriostatic water. Notable for an unusually large run of intranasal <em>mist applicator</em> presentations (Semax, Selank, BPC-157, KPV, PT-141, MT-2 and DSIP), and for carrying several compounds this library does not document, including MT-1, AHK-Cu, FOXO4-DRI, pinealon and N-acetyl epitalon.
QNYJMSDCTB10% off. Apply the code at checkout, or use the link below, which carries the referral automatically.
Individual peptides, pre-blended vials and bacteriostatic water
Intranasal mist applicator presentations for several compounds — note that the intranasal route is not equivalent to injection, and delivery to the target tissue is the open question on every one of them
Ask for the blend ratio and any batch-specific third-party analysis before ordering a multi-component vial
Disclosure: This is an affiliate/partner link and code. PrecisePep and Prime Edge Training may receive a benefit if it is used. It is disclosed here so you can weigh that when reading the listing.
Additional vendors will be added to this page as they are reviewed. If a supplier you use is not listed, that means it has not been added yet — not that it has been assessed and rejected.
Due diligence
How to assess a supplier
Research-grade material is not manufactured to pharmaceutical standard, and no supplier is obliged to
prove anything. These are the checks that distinguish a serious operation from a repackager.
Third-party analytical testing, per batch
A certificate of analysis from an independent laboratory — not the supplier — stating identity and purity, tied to the specific batch number on the vial. A single COA reused across every batch tells you nothing about the vial in your hand. HPLC establishes purity; mass spectrometry establishes identity. You want both.
Batch numbers that actually change
If every vial carries the same lot number, there is no batch traceability, and no COA can be meaningfully matched to anything.
Stated blend ratios
For any multi-component blend — KLOW, GLOW, Wolverine, ipamorelin/CJC — the ratio determines what a dose actually contains. Most suppliers do not state it. For copper-containing blends this determines the copper load, which is the exposure that accumulates.
Endotoxin and sterility data
Purity is not sterility. A peptide can be 99% pure and carry a bacterial endotoxin load. Sterility and endotoxin testing are separate assays and are rarely supplied.
Cold-chain and storage handling
Lyophilised peptides tolerate ambient shipping better than solutions, but repeated temperature cycling degrades them. How a supplier ships and stores matters, particularly in summer.
Honest labelling
Research-use-only labelling is a legal requirement, not a formality. A supplier making therapeutic claims, providing dosing advice, or marketing to end users for personal administration is telling you something about how they operate.
What "research grade" does not mean
It does not mean pharmaceutical grade, GMP-manufactured, sterile-filled, or approved for anything. It means it was made to be used in a laboratory.
Equipment
Consumables & laboratory equipment
What is needed to work with lyophilised peptide, and what each item is actually for.
DiluentMulti-draw
Bacteriostatic water
Sterile water containing 0.9% benzyl alcohol as a preservative, allowing multiple withdrawals from one vial over an extended period. The standard diluent for any peptide vial that will be drawn from more than once. Note that benzyl alcohol is contraindicated in neonates and that some peptides are documented to be less stable in benzyl-alcohol-containing diluent.
DiluentSingle-use
Sterile water for injection
No preservative. Appropriate only for single-use preparation — once entered, it is no longer protected against microbial growth. Used where a peptide is documented to be incompatible with benzyl alcohol.
Measurement
Insulin syringes (U-100)
0.3 mL, 0.5 mL and 1.0 mL barrels marked in units, where 100 units = 1 mL. The 0.3 mL syringe has the widest spacing between marks and is therefore the most accurate for small volumes — the single most useful equipment choice for reducing measurement error.
Preparation
Reconstitution syringes
A larger syringe (1–3 mL) with a longer needle for transferring diluent into the peptide vial, separate from the syringe used for measurement.
Sterility
Alcohol prep pads (70% isopropyl)
For swabbing vial stoppers before every entry. The stopper is not sterile once the flip-cap is removed, and this is the most common route of contamination in multi-draw work.
Disposal
Sharps container
Rigid, puncture-resistant, with a defined disposal route. Needle disposal is regulated in most jurisdictions.
Storage
Refrigeration and cold storage
A dedicated fridge compartment at 2–8 °C for reconstituted vials, and freezer capacity at −20 °C for long-term lyophilised storage. Avoid door shelves — temperature cycles most there.
Documentation
Vial labels and a log
Reconstitution date, concentration and diluent volume written on every vial. A vial with an unknown reconstitution date and unknown concentration is unusable data, and unusable data is the most common reason a self-experiment produces nothing.
Verification
Digital scale (0.001 g)
For verifying that a vial contains approximately what the label claims — a crude but real check that catches gross under-filling.
Everything below is ordinary laboratory and first-aid consumable equipment, sold openly on Amazon.
None of it is a peptide, and none of it is regulated as one. It is listed because the questions that
arrive most often after the reconstitution guide are practical
ones: what syringe, what diluent container, where do the needles go afterwards.
Read the note under each item, not just the title. Several are here with a caveat
attached, and one whole category below is a practice this site does not endorse.
Affiliate disclosure
As an Amazon Associate I earn from qualifying purchases. The links in this section are affiliate links: if you buy through one, this site earns a commission at no additional cost to you. That is a commercial relationship and you should read every recommendation on this page with it in mind. Nothing here is a medical recommendation, and no product listed is supplied, tested, sterilised or handled by PrecisePep.
Prices shown were read from each Amazon listing on 16 August 2026. They are a snapshot rather than a live feed — Amazon prices move daily, and a static page cannot query them. Treat the figure as a rough guide to what tier a product sits in, and check the listing for the price you will actually pay.
Logbooks & record keeping
2 options
The single most useful thing on this page, and the cheapest. A written record of what was reconstituted, at what concentration, on what date, and what was observed afterwards is the difference between research and guesswork — and it is what makes an adverse effect attributable to something rather than to nothing.
Peptide Logbook: Track Daily Doses & Weekly Results, Wellness, Recovery, Progress, and Observations with 118 Weeks of Organized Record Keeping
$8.49
Paperback, structured around 118 weeks of daily and weekly entries. The long horizon is the point — most of what matters in this space only becomes visible across months.
Peptide Logbook: Mega 150 Page All-in-One Daily & Weekly Tracker with Supplies List, Advanced Stacking Strategies, Results Tracker & More
$8.99
A larger 150-page format that also includes supplies lists and stacking sections. Note that any dosing or stacking content printed inside a consumer logbook is the author’s, is not reviewed, and carries no more authority than a forum post — use the pages, not the protocols.
For the vial stopper and the injection site. The stopper matters more than people expect: it is punctured repeatedly over the life of a multi-draw vial, and every puncture carries whatever was on the surface into a solution that will then sit at fridge temperature for weeks. Sterile, individually wrapped, 70% isopropyl, single use.
Henry Schein Medium Alcohol Prep Pads, 70% IPA, 2-Ply, Sterile, 4000 Count (20 Boxes)
$45.19$0.01 / pad
Bulk clinical supply — 4000 pads across 20 boxes, from a dental and medical distributor. Sensible per-unit cost if you already know you will use them; excessive otherwise, and alcohol pads do dry out in storage over years.
The measuring instrument. U-100 means 100 units per millilitre, so units on the barrel convert directly to millilitres — which is the arithmetic the calculator is doing. Fixed-needle insulin syringes have essentially no dead space, which matters when the whole draw is a few units.
Barrel size is the accuracy decision. A 0.3 mL (30-unit) syringe spreads its marks over the same length as a 1.0 mL one, so each graduation covers a third of the volume and a small draw is far easier to read. Pick the smallest barrel your dose fits in — the price per syringe is essentially identical, so there is nothing to trade off.
EasyTouch U-100 Insulin Syringes (31G 0.3cc 5/16″) — 100 ct | Polybag, 30 Unit Capacity, 5/16″ Needle Length, Bold Markings for Accurate Dosing, Disposable, Box of 100
$20.99$0.21 / syringe
The one this site actually recommends. A 30-unit barrel spreads the same graduations over the same physical length as a 50- or 100-unit syringe, so each mark covers less volume and a small draw is easier to read accurately. For anything under 30 units this is the more precise instrument, at the same price per syringe as the larger barrels.
100-unit capacity in the same 31G, 5/16″ configuration. Useful when a single draw exceeds 50 units; less precise than the 0.5 mL for small ones, because the same distance covers twice the volume.
Thicker 28 gauge and a longer 1/2″ needle. The wider bore draws viscous solution faster, and the extra length is the wrong direction for a subcutaneous injection in most people. This is the one to pick deliberately, not by default.
A separate, larger syringe for moving bacteriostatic water into the peptide vial. Keeping reconstitution and measurement on different syringes is the point — a wide-bore needle pushes diluent quickly, and an insulin syringe measures accurately. Neither does both well.
3 mL Disposable Luer Lock Syringes with 18Ga 1.5″ Needle, 50 Pack, Individually Sealed
$9.99$0.20 / syringe
Luer lock, so the needle cannot separate under pressure. 18 gauge is a transfer needle, not an injection needle — it is there to move diluent between vials. Direct the stream down the vial wall rather than onto the powder cake, as the reconstitution guide describes.
Refillable pen devices, sold empty, that a user fills from their own vial. They exist because a dial-a-dose pen is easier to use consistently than a syringe.
This category carries a caveat the others do not. A licensed pen is a sealed unit filled and sealed under pharmaceutical conditions. Filling a cartridge yourself replicates the convenience and none of the sterility assurance, and it adds a step where the dose can be set wrong on a device with no independent check. Dial markings on these pens are also units of the device, not micrograms of anything — the conversion is still yours to do, and getting it wrong is easier here than with a syringe you can see through. Listed because they are widely used; listed with this attached for the same reason.
Vector V2 Reusable Injection Pen Set — 5 Pens with 5 Bonus Cartridges, 60 Unit Capacity, Assorted Colours
$99.99$20.00 / pen
Five pens with cartridges, 60-unit capacity each. The multi-pen pack is aimed at people running more than one compound at once — which also means five separate opportunities to reach for the wrong pen. Label them.
3 mL Pen Cartridges for Peptide Pens and V1/V2 Pens, 10 Pack, Sterilised & Individually Wrapped
$15.99$1.60 / cartridge
Replacement glass cartridges rather than a pen — 3 cc with an 11 mm stopper, compatible with the V1 and V2 pen bodies. Consumable for the item above, not an alternative to it.
Not optional and not a formality. A used needle in household waste is a puncture injury waiting for whoever handles the bag next, and in most jurisdictions loose sharps in domestic refuse are an offence. Check your local collection scheme — many pharmacies and councils take full containers back.
1 Quart Sharps Containers for Home Use, 3-Pack, Biohazard Needle Disposal
$8.99$3.00 / container
Three containers, so one can live where injections happen, one in a travel bag, and one in reserve. Fill to the marked line and no further — overfilling is how the closure fails.
Empty sealed vials, generally used for splitting a large reconstituted volume across several containers so that one is entered repeatedly and the rest stay sealed. Fewer punctures per vial is the entire argument.
Understand what this does not give you. Transferring solution between vials outside a laminar flow hood is not sterile compounding, however sterile the empty vial was. Each transfer is another opportunity for contamination, and it does not extend the in-use window that the calculator applies. If the reason for splitting is that a vial will otherwise sit open too long, reconstituting a smaller volume is the cleaner answer.
FURWEY 10 mL Sterile Empty Glass Vials for Injection, 12 Pack, Self-Healing Injection Port and Sealing Cap
$8.99$0.75 / vial
Empty — no liquid supplied. Glass with a self-sealing stopper and crimp cap. 10 mL is a large working volume; check it against the concentration the calculator gives you before assuming you need it.
Empty refillable glass atomisers, used for the intranasal presentations this library documents — Semax, Selank, DSIP, PT-141 and others are all sold or discussed in spray form.
The dose is set by the concentration, not the bottle. A spray pump delivers a fixed volume per actuation, commonly around 0.1 mL, so how much compound one spray contains is decided entirely by what you reconstituted into it. That is the same arithmetic as the reconstitution calculator: 5 mg in 5 mL is 1 mg/mL, so a 0.1 mL actuation is 100 mcg. Actuation volume varies between pumps and is rarely stated on a listing, which means the figure is an assumption unless you measure it. And the route is not a shortcut. Intranasal is not a gentler injection — it is a different route whose delivery to the target tissue is unresolved for most of these compounds, which is the point made on the Semax and oxytocin pages. Amber glass is worth preferring for light-sensitive material, and none of these are sterile or supplied for human use.
ZHWKMYP Nasal Spray Bottle Glass Empty Refillable, 5ML/0.17OZ — 10 pcs, includes 6 blue 5 ml nasal spray bottles, 2 labels and 2 funnels | Fine Mist Sprayers
$9.95$1.66 / bottle
Six bottles rather than three, and the two funnels are the practical difference — transferring a reconstituted solution into a narrow-necked atomiser without one wastes a meaningful fraction of a small volume. The listing counts the labels and funnels toward its “10 pcs”, so it is six usable bottles.
erioctry 3PCS 5ML Empty Refillable Amber Glass Nasal Spray Bottle Pump — Cleanser Container for Nasal Spray and Saline Water Applications
$6.88$2.29 / bottle
Amber glass, which is the reason to pick these over clear: several of the compounds sold in spray form are light-sensitive, and the storage guidance on their monographs says to protect from light. Smaller pack and a higher unit price than the set above, so worth it mainly if the amber matters to what you are putting in it.
Reconstituted peptide is a refrigerated product with a finite in-use window, and the fastest way to lose a vial is an unplanned day out of the fridge. These fall into two groups: passive insulated cases with gel packs, and small battery-powered coolers that actively hold a temperature.
Check the stated hold time against your actual journey, including delays, and check the temperature range rather than just the hours — several of these are designed around insulin pens, which have a different tolerance from a lyophilised peptide reconstituted in bacteriostatic water. Airline rules for lithium batteries apply to the powered units.
Dual 3 mL and 30 mL Peptide Vial Case with Room for Syringes and Prep Wipes
$31.99
Organisation rather than temperature control — a fitted case sized for two vial formats plus syringes and pads. Useful for keeping a kit together; it is not a cooler.
Insulin Cooler Travel Case with Two 13600 mAh Rechargeable Batteries, 27 fl oz, FAA-Compliant (Grey)
$98.90
Actively refrigerated with swappable battery packs — the option for long journeys where a gel pack will have given up. Largest capacity here at 27 fl oz. Confirm the battery capacity against your airline before flying with it.
A compact cooler case. The listing title is unusually sparse — check the current specification page for hold time, capacity and whether gel packs are included before ordering.
60H Insulin Cooler Travel Case, TSA Approved (Blue) — Double-Layer Vacuum Insulated, Holds 2–3 Pens or Vials, With Ice Packs
$21.99
Passive vacuum-insulated case with ice packs, rated to 60 hours. No battery, so no airline complication — the trade-off is that once the packs warm, the clock has run out.
Prices read from the Amazon listings on 16 August 2026 and shown as a snapshot,
not a live feed. Amazon changes prices, titles and availability without notice — the listing is the
authority, not this page.
Legal
Know your jurisdiction
Before purchasing anything. The compounds documented on this site are regulated
differently in different countries, and the differences are not minor. Some are prescription medicines.
Some are investigational drugs. Some are unscheduled research chemicals. Some are controlled.
Importing a research chemical across a border can constitute importing an unapproved drug regardless of
how it is labelled. Customs seizure is the common outcome; it is not the only possible one. Verify what you
are permitted to purchase, possess and import where you live before ordering, not after.
PrecisePep does not sell, manufacture, test, ship, store or handle any compound, and does not facilitate
any transaction.
