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SourcePeptides.co — research peptides

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Free shipping isn’t a perk—it’s our standard. No matter what you order or how much, we’ve got the shipping covered. Because that’s how it should be.

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Built on Quality. Backed by Science.

All U.S. sourced. Every batch tested for 99%+ purity. Because when it comes to quality, we don’t cut corners—we set the standard.

99%
Purity Verified

Every batch independently tested with Certificates of Analysis available for complete transparency.

Free Same Day
Shipping

Orders placed by 4PM EST ship for FREE the same day, arriving at your door within 2–3 business days.

90%
Repeat Customers

9 out of 10 researchers come back after their first order — quality results speak for themselves.

Best Selling Products

GLOW (GHK-CU, BPC-157 & TB-500) 70MGGLOW (GHK-CU, BPC-157 & TB-500)
Dose70 mg
Purity≥99%
FormLyophilized
⚡ 1st order $71.25 $95
For research use only
KLOW (GHK-CU, BPC-157, TB-500 & KPV) 80MGKLOW (GHK-CU, BPC-157, TB-500 & KPV)
Dose80 mg
Purity≥99%
FormLyophilized
⚡ 1st order $78.75 $105
For research use only
GLP-3 (R) 15MGGLP-3 (R)
Dose15 mg
Purity≥99%
FormLyophilized
⚡ 1st order $101.25 $135
For research use only
GLP-2 (T) 15MGGLP-2 (T)
Dose15 mg
Purity≥99%
FormLyophilized
⚡ 1st order $71.25 $95
For research use only

FAQs

Still need help? Reach out to our customer support.

Contact Us
SourcePeptides research products
Are the peptides in liquid form?
No, all peptides are provided in lyophilized (powder) form. This ensures stability during shipping and storage.
What payment methods do you accept?
We accept Credit/Debit Cards, Cash App, and Zelle.
When do you ship and how do I track my order?
Orders placed by 4PM EST Monday through Friday ship the same day. Orders placed after 5PM or on weekends ship the next business day. You’ll receive a tracking code via email once your order ships, or track anytime on our Track Order page using your order ID and email.
How do I know that your products are high quality?
Every batch is independently tested at 99%+ purity. Certificates of Analysis (COAs) are available on our Lab Results page for complete transparency.
How should I store these products?
Store lyophilized peptides in a cool, dry place away from light. For long-term storage, refrigeration or freezing is recommended. Once reconstituted, keep refrigerated and use within the recommended timeframe.
Is this pharmaceutical name brand medication?
No, these are research peptides intended for laboratory and research purposes only. They are not FDA-approved medications and are not intended for human consumption.

Don’t see your question? Visit our full FAQ page →

Researcher Verification

Source Peptides supplies research compounds exclusively to qualified researchers, research institutions, and laboratories for in-vitro laboratory research only. Access is restricted to U.S. residents 21 years of age or older.

By proceeding, you certify that the statements above are true and accurate. Our products are for research and investigative purposes only. They are not intended for human consumption, clinical use, or therapeutic application. Nothing on this website is intended to diagnose, treat, cure, or prevent any disease. The safety and efficacy of these products have not been established, and they have not been evaluated or approved by the U.S. Food and Drug Administration (FDA).