Rebirth Labs Coupon Code: PROFPEPTIDE — Save 10%
The current Rebirth Labs (rebirthlabs.org) discount code is PROFPEPTIDE, for 10% off your order. Prof. Peptide verifies this code directly with the vendor and updates it when it changes.
Key facts
- Catalog
- Research peptides, with bundle and bulk pricing
- Third-party testing
- Freedom Diagnostics
- Certificates of analysis
- A COA Library with a Freedom Diagnostics certificate for each lot
- Prof. Peptide’s discount
- 10% off with code PROFPEPTIDE
- Code checked
- Prof. Peptide confirmed this rate in its partner dashboard.
Overview
Rebirth Labs sells research peptides for laboratory research and development, with bundle pricing on several vials of one compound and a Build a Box option.
Rebirth Labs catalog
Rebirth Labs prices bundles of one compound below its single-vial price: 30% off three or more vials, 35% off five or more and 40% off ten or more. Discount codes apply on top of bundle and bulk prices unless a code says otherwise, and do not apply to memberships or Build a Box.
Testing: Labs & Certificates of Analysis
Rebirth Labs has every lot tested by Freedom Diagnostics, an independent laboratory in the USA, and publishes the certificates in its COA Library.
Prof. Peptide looked up three of these certificates at Freedom Diagnostics' own records, and each was issued to Rebirth Labs: Adamax 5mg (Rebi2607140204), AHK-Cu 100mg (REBI2608310917) and ARA-290 10mg (Rebi2610120356). Those three certificates' results are below.
Prof. Peptide Verification
Verified · November 11, 2026
Prof. Peptide identified the lab, matched the certificates on its own website, and read every test result.
Lab identified
PassedCertificates verified
Passed3 of 3 matched on Freedom Diagnostics’ own website.
The three certificates were tested on July 16, September 2 and October 13, 2026.
Adamax 5mg · lot RL-GLP-0126
PassedFreedom Diagnostics · tested July 16, 2026 · certificate Rebi2607140204
- Passed: Purity (HPLC-UV) — 99.91% (against ≥98%, Prof. Peptide’s standard; the certificate prints no specification)
- Passed: Net Content — 7.38 mg (at least 90% of the labeled 5 mg)
- Passed: Identity — Confirmed
AHK-Cu 100mg · lot RL-ACU-0826
PassedFreedom Diagnostics · tested September 2, 2026 · certificate REBI2608310917
- Passed: Purity (HPLC-UV), vial 1 — 99.09% (against ≥98%, Prof. Peptide’s standard; the certificate prints no specification)
- Passed: Purity (HPLC-UV), vial 2 — 99.15% (against ≥98%, Prof. Peptide’s standard; the certificate prints no specification)
- Passed: Purity (HPLC-UV), vial 3 — 99.04% (against ≥98%, Prof. Peptide’s standard; the certificate prints no specification)
- Passed: Net Content — 101.14 / 103.09 / 99.97 mg (at least 90% of the labeled 100 mg)
- Passed: Endotoxin — Pass
- Passed: PCR — Pass
ARA-290 10mg · lot 08/2026
PassedFreedom Diagnostics · tested October 13, 2026 · certificate Rebi2610120356
- Passed: Purity (HPLC-UV) — 99.86% (against ≥98%, Prof. Peptide’s standard; the certificate prints no specification)
- Passed: Net Content — 12.56 mg (at least 90% of the labeled 10 mg)
- Passed: Endotoxin — Pass
- Passed: PCR — Pass
- Passed: Heavy metals (ICP-MS) — Pass
All products are sold for laboratory research use only.
Who tests Rebirth Labs’ peptides?
Freedom Diagnostics
- Location
- 133 Holiday Ct Suite 106, Franklin, Tennessee 37067, USA (labelled “New Location” on the home page).
- What its certificates report
- Tests reported on the certificates Prof. Peptide has matched at Freedom Diagnostics, across vendors: Purity (HPLC) · Net peptide content · Identity · Appearance · Fentanyl screen · Heavy metals (ICP-MS) · Sterility (PCR) · Endotoxin (USP <85>) · Endotoxin (method not printed)
- Accreditation
- Claimed by the lab: No accreditation body is named. The COA Look Up page states “Compliant with ISO 9001 Quality Management Principles” and “Good Laboratory Practice (GLP) Quality Standard Principles”; the home page states no accreditation.Accreditation body directories: A2LA: searched, no record found.
- How certificates are checked at the lab
- COA Look Up on the lab’s site, searched by Search Code (the first four characters of the client’s company name plus the accession number, printed top right on the certificate), accession number or company name; results open as PDFs. A client can choose not to post results on the lab’s site.
- What Prof. Peptide checked for Rebirth Labs
- Prof. Peptide matched 3 certificates at Freedom Diagnostics’ own lookup; the lab’s records name Rebirth Labs as the client.
Payment and shipping
Rebirth Labs is based in Bentonville, Arkansas.
Rebirth Labs takes major credit and debit cards, Apple Pay and Google Pay. Orders placed before 2 PM Eastern on business days ship the same day by FedEx from the US, free on orders of $250 or more after discounts and for members; Build a Box ships free by FedEx 2Day. P.O. boxes and APO, FPO and DPO addresses ship by USPS. It ships to the United States and a list of other countries, chosen at checkout. Optional Shipping Insurance at checkout covers loss, theft and damage, and damaged or missing shipments are reported within 7 days of the expected delivery, with photos within 48 hours.
All sales are final, and orders cannot be cancelled. Damaged or wrong items reported within 48 hours with photos are replaced, refunded or credited, and approved refunds go back to the original payment method in 5 to 10 business days.
Customer service
Rebirth Labs takes questions by email at support@rebirthlabs.org, by phone at +1 (417) 420-9827 and through the form on its contact page, which sorts messages by topic. Its mailing address is 500 SE Third St, Bentonville, AR 72712.
Research-use terms
- On its site
- Rebirth Labs sells research chemicals for laboratory research and development. They are not drugs, supplements, foods, cosmetics or devices, and Rebirth Labs gives no dosing or usage advice.
- When buying
- By ordering, the buyer confirms they are 21 or older and a qualified researcher, or act for a research organisation.
- Terms page
- rebirthlabs.org/research-use-only
Sources: Rebirth Labs's own pages, rebirthlabs.org /research-use-only/ (read by chat in Mark's Chrome), read November 11, 2026.
Ratings & reviews
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Affiliate disclosure: Prof. Peptide earns a commission on purchases and sign-ups made through its links and codes, at no extra cost to the buyer. Commissions never decide which vendors are listed, how they are ranked or verified, or what Prof. Peptide concludes.
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