Premium Research Peptides
Precision for Research.
Quality You Can Verify.
Third-party tested GLP-1s, GH secretagogues, and research blends — every strength backed by its own batch-specific Certificate of Analysis, shipped nationwide.
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For Purity & Safety
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Third-Party Tested
Independent laboratory testing for purity and identity.
Batch-Specific COAs
Access certificates for every strength and batch.
High-Purity Materials
Research-grade peptides with consistent quality.
Secure & Discreet Shipping
Carefully packaged for global delivery options.
Stock up in 10-vial packs. Save 40% instantly.
A dedicated ordering board built for research teams buying in volume — pick your compounds, and every pack is priced at our deepest discount automatically.
Transparency & Testing
Certificates of Analysis for Every Batch
All of our peptides are third-party tested and come with batch-specific Certificates of Analysis. You can easily access the COA for each product and strength directly from the product page.
Purity Verification — HPLC, LC-MS testing
Batch Traceability
Full Documentation — Available on product page
Trusted Laboratories — Independent third-party labs
Supporting Advanced Research
Peptides for Human Performance Research
Explore peptides commonly used in research related to metabolism, recovery, hormone regulation, and more.
Explore Research CategoriesBuy More, Pay Less
Three vials is 30% off. Ten is 40%.
Add the same compound in threes, fives or tens and the price of each one drops. No code, no membership required. It applies at checkout on every compound in the catalog.
Start a Bulk Order — Save 40%1 viallist price
Every compound at list price, with a certificate for every batch.
30% off3 vials
Add 3 of the same compound and each one is 30% off.
35% off5 vials
Add 5 of the same compound and each one is 35% off.
40% off10 vials
Add 10 of the same compound and each one is 40% off.
Why Choose Rebirth Labs
Your Trusted Peptide Research Supplier
From sourcing to fulfillment, every step is built around research-grade reliability — see what backs every order.
Learn More About UsResearch-Focused
Dedicated to supporting scientific research with high-quality peptides.
Quality Assurance
Strict quality control and third-party laboratory testing.
Reliable Supply
Consistent inventory and global shipping options.
Customer Support
Responsive support for orders, documentation, and inquiries.
Our Process
From Source to Your Research
A strict process to ensure quality, consistency, and transparency.
Sourcing
Select high-quality raw materials.
Batch Identification
Each batch is uniquely tracked.
Third-Party Testing
Independent laboratory testing for purity.
COA Release
Batch-specific certificates made available.
Fulfillment
Careful packaging and reliable shipping.
What Customers Say
“Every vial ships with its own batch-specific COA — no chasing anyone down for paperwork. Exactly what a research lab needs.”
Marcus T.
“Ordering was straightforward and the tracking updates were accurate down to the day. Discreet packaging as advertised.”
Dana R.
“Purity numbers on the certificates matched independent testing we ran ourselves. That consistency is why we keep reordering.”
James K.
“Support answered a sourcing question within a few hours and actually knew what they were talking about.”
Priya S.
“Bulk pricing made stocking up for a multi-month study straightforward, and the checkout process was quick.”
Chen W.
OUR STORY
About Rebirth Labs
We started as a small group of researchers frustrated with inconsistent purity claims across the research peptide market. Every batch we carry is sourced from vetted synthesis labs and third-party tested before it reaches you — no exceptions.
From single vials to bulk research quantities, our goal is simple: verified purity, honest labeling, and packaging that arrives cold-chain intact and ready for the bench.
Shop NowNEW HERE?
10% off your first order
Applied automatically at checkout.
Start ShoppingRewards
Earn Points on Every Order
Get 1 point for every $1 you spend, redeemable for real discounts at checkout.
View your pointsBuild a Box
Save 15% with a Recurring Order
Save any cart as a template, then turn it into a recurring box on your own schedule — we'll generate the order and email you when it's time to pay, automatically.
Manage your boxesGet the Latest Updates
Sign up for new product announcements, research insights, and exclusive offers.
Questions
Before You Order
Are your products for human use?
No. Everything Rebirth Labs sells is a research chemical for laboratory, in vitro research only.
Who can buy from Rebirth Labs?
Adults 21 and over who are qualified researchers or buy for a research organisation, laboratory or institution.
Can you tell me how to dose, reconstitute or use a product?
No. We do not give dosing, reconstitution, administration or protocol guidance for any product.
How should products be stored?
As stated on the label and product page. Lyophilised peptides are generally kept cold, dry and away from light.
Is every lot tested?
Yes. Every lot is tested by an independent laboratory in the USA before it ships.
What does a certificate of analysis show?
The identity and purity the laboratory measured for that specific lot, with the lab's signed report.
Why do some products show more than one certificate?
Each lot gets its own certificate. When a new lot arrives its report is added.
How do the bundle discounts work?
Buy more of the same compound and every vial gets cheaper: 3+ is 30% off, 5+ is 35% off, 10+ is 40% off, 50+ is 50% off.
Do you offer bulk or wholesale pricing?
Yes. 10 vials is 40% off, 50 vials is 50% off, and 100+ vials total is 55% off everything.
Can I use a discount code as well?
Discount codes apply on top of bundle and bulk prices unless a code says otherwise.
Is there free shipping?
Yes, on orders of $250 or more after discounts. Members get free shipping on every order.
What payment methods do you accept?
Major credit and debit cards, plus Apple Pay and Google Pay on supported devices.
Do I need an account?
Yes. Your account is created at checkout, and it is where you track orders and manage memberships.
Can I change or cancel my order?
Contact us as quickly as you can. If your order has not shipped we can change or cancel it fully.
How fast do orders ship?
Orders placed before 2pm ET ship the same business day. Orders after, or on weekends and holidays, ship next business day.
How do I track my order?
You get an email with a tracking number the moment your order ships, and the link appears in My Account.
Do you ship internationally?
Yes, to the United States and a list of other countries. You're responsible for import rules and taxes.
What if my package is lost, late or damaged?
Email us with your order number. For damage, send photos within 48 hours of delivery.
Can I return a product?
No. Because these are research materials, all sales are final and we cannot accept returns or exchanges.
What if I received the wrong item or it arrived damaged?
Email us within 48 hours with your order number and photos, and we will replace, refund or credit it.
How do I earn points?
Every account earns 2.5 points per $1 on eligible products; members earn up to 10 per $1.
What are points worth?
100 points = $1. That is 2.5% back as a Member and up to 10% back as a Founder.
How do I use my points?
At checkout, from a balance of 500 points or more. Points can pay for up to 50% of eligible products.
Do points expire?
Yes, 12 months after they are earned. Points have no cash value and cannot be transferred.
What do the memberships include?
Insider ($9.99/mo) earns 3.5 points per $1; VIP ($19.99/mo) earns 5; Founder ($99.99/mo) earns 10 points per $1.
Is there a yearly option?
Yes. Paying yearly gets 2 months free.
How do I cancel?
From My Account, any time. Your membership will not renew and benefits continue until period end.
How does Build a Box work?
Pick 4 compounds for one box at 40% off, ships monthly with free Bacteriostatic Water and FedEx 2Day.
Is there a minimum commitment?
Yes, 3 monthly payments. After the third payment you can cancel any time from My Account.
Can I change what is in my box?
Yes. Once your first box has shipped, you can swap any item and the monthly price updates accordingly.
Do you have an affiliate or partner program?
Yes. Apply to the Partner Program; approved partners get a referral link and earn commission.
How do I contact you?
Email support@rebirthlabs.us with your order number if you have one, or use the contact form.