Bulk peptides for research programs
WholesalePeptide.us quotes bulk research peptides from 100 kits (1000 vials) per order, returned within one business day. Bulk orders can be reserved from a single lot so every vial shares one Certificate of Analysis from an independent third-party laboratory; that certificate is published before the lot ships. Below 100 kits, the published tiers apply at checkout with no quote needed. Net-30 is available to qualified laboratories and distributors after account review.
- Testing labs
- 5 independent labs
- Methods
- RP-HPLC (UV 214/220 nm) · LC-MS identity
- Same-day cutoff
- 2:00 PM ET, Monday–Friday
- Ships from
- Sheridan, WY
Request a bulk quote
Tell us the compound, strength, quantity and timeline. Quotes include per-vial price, lot availability and lead time, and are returned within one business day.
How bulk pricing scales
Published tiers run to 15% off at 50+ kits; above 100 kits the price is quoted against synthesis scale and lot availability.
| Kits per order | Discount off list |
|---|---|
| 1–2 kits | List price |
| 3–9 kits | 5% |
| 10–49 kits | 10% |
| 50–99 kits | 15% |
| 100+ kits | Volume quote |
What a bulk order includes
- Single-lot reservation where stock allows, with the certificate sent before you confirm.
- Packing list with the lot code for every kit; COAs in your account and in the COA library.
- Same-day dispatch for in-stock lots paid by 2:00 PM ET; scheduled releases for multi-month programs.
- Invoicing by PO, wire or Net-30 for approved accounts.
Bulk peptides FAQ
How do I buy bulk peptides online?
Orders up to 50 kits per SKU check out instantly at the published tiers. For 100+ kits (1000+ vials), send the quote form on this page with compound, strength, quantity and timeline; quotes are returned within one business day.
Are cheap bulk peptides worth it?
Price per vial falls with volume, but a low price only matters if the lot is what the label says. Compare suppliers on lot-specific COAs, named labs, LC-MS identity and net peptide content first. Unusually low prices with no lot COA are the most common red flag.
What is the best place to buy bulk peptides online?
Choose a supplier that publishes lot-specific COAs from a named independent lab, shows prices and tier breaks before you contact sales, states where it ships from and puts its terms in writing. Use our supplier vetting checklist to compare any vendor, including us.
Do bulk orders get their own COA?
Yes. Every lot has its own Certificate of Analysis from an independent third-party laboratory. A bulk order may span more than one lot; your packing list shows the lot code of every kit and the matching COA is in the COA library and in your account.
Is net-terms purchasing available for bulk orders?
Net-30 is available to qualified laboratories and distributors after account review. Apply through the wholesale account form; approval takes one business day.
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For laboratory research use only. Not for human or veterinary use.