GLP-1 & Metabolic Peptides
Semaglutide, Tirzepatide, Retatrutide, and more
BrowseBulk Research Peptides · US-Made
Research peptides,
bought in bulk.
Third-party–tested quality at genuine wholesale prices. 51 compounds, 82 SKUs — shipped same-day from Southern California.
Kits from$140/ kit · 10 vials
Save up to48%at 1,000+ vials
1 kit = 10 vials · 100-vial minimum (mix & match) · as low as $90/kit at 1,000+ vials
- Third-party tested
- ≥98% HPLC purity
- US-sourced & warehoused
- Same-day shipping
Your
Logo
Here
Your Brand
For Research Use Only
Bulk Peptides Co.
Volume price / kit
Semaglutide$100·Tirzepatide$120·BPC-157$100·Retatrutide$150·GHK-Cu$100·NAD+$160·Semaglutide$100·Tirzepatide$120·BPC-157$100·Retatrutide$150·GHK-Cu$100·NAD+$160·Semaglutide$100·Tirzepatide$120·BPC-157$100·Retatrutide$150·GHK-Cu$100·NAD+$160·
0Research Compounds
0Available SKUs
≥98%Purity Standard
Same DayShipping Available
01 — The catalog
Browse by Research Category
51 compounds organized across nine research categories. Every product is independently tested and ships with batch-specific documentation.
How Wholesale Ordering Works
1
Browse & Build Your Cart
Explore our catalog of 82 research peptide SKUs. Add products to your inquiry cart in kit quantities of 10 vials each. Mix and match across compounds, dosages, and categories.
2
Submit Your Inquiry
Review your cart and submit with your company details. No payment is collected. Our team receives your order request via secure email.
3
We Review & Confirm
A US-based account representative reviews your inquiry within one business day. We contact you to confirm quantities, discuss volume pricing, and arrange payment.
4
Same-Day Shipment
Once payment is confirmed, in-stock orders ship the same day from Southern California. Every shipment includes batch-specific Certificates of Analysis.
High-Demand Research Compounds
Our most requested peptides, available in multiple dosage configurations with volume pricing.
02 — Why buyers choose us
We don’t make claims. We publish data.
Every lot of research peptides we ship is independently tested by a third-party analytical laboratory. Our Certificates of Analysis aren’t generic templates — they’re batch-specific documents showing HPLC purity percentages, mass spectrometry identity confirmation, and net peptide content. We test every lot. We publish what we find.
Every lot, verified
≥98%
HPLC purity standard
- HPLC purity percentage
- Mass-spec identity confirmation
- Net peptide content
- Batch-specific COA
US-sourced. US-warehoused. US-supported.
Our entire supply chain operates within the United States. Products are warehoused in Southern California and ship domestically. Customer support is handled by our US-based team during standard business hours. When you call, you reach someone stateside who knows your account. No offshore support. No timezone delays.
100% domestic
USA
sourced · warehoused · supported
- Southern California warehouse
- Same-day dispatch
- US-based support, Mon–Fri
- No offshore call centers
Your brand. Built on our supply chain.
We offer full private-label services for distributors and brands building their own research peptide lines. We handle sourcing, third-party testing, custom labeling, and fulfillment. You handle the brand. Every white-label order is pulled from the same tested inventory and held to the same documentation standards.
Learn About White Labeling →White label
Your brand
on our supply chain
- Custom vial labels
- Same third-party-tested inventory
- 100-vial minimum
- Drop-shipping available
Ready to Order?
Submit an inquiry through our catalog, or contact our team directly. We respond within one business day.