Excellence, Dedicated, and Experienced
Our Work Is More Than Reaserch
All the medical and laboratory supplies for clinical diagnostics and research
About Penguin Renupep
About Penguin Renupep
At Penguin Peptides, our mission is to fuel scientific progress by delivering top-tier peptides at prices that make research accessible.
Excellence, Dedicated, and Experienced Laboratory
Trusted Renupep, Secure Ordering
As a trusted U.S.-based supplier, we ensure every peptide undergoes rigorous third-party testing for purity and reliability, giving you confidence in your results.

Fast and Reliable Shipping
Our fast and reliable service differentiate us from others. We provide great customer service.

3rd party lab tested
Rigorously tested: 1st & 3rd party verified. Your assurance of quality, safety, and excellence

Satisfication Gurantee
We are committed to your satisfaction. If you’re not happy with our product, we will ensure a positive experience for you.

Online Customer Support
Our chat support is available 24 hours a day, 7 days a week for you.
○ About Us

THIRD PARTY LAB TESTED
Renupep is a U.S.-based supplier of high-quality aminos intended strictly for laboratory research use. We are committed to providing professionally sourced, lab-tested compounds with verified third-party reports to support consistency and reliability in experimental settings.
Purpose of Third-Party Testing
Consumer Transparency
Transparency empowers consumers to make informed choices and holds businesses accountable for their actions.
Unbaised and Independent Report
An unbiased and independent report stands as a pillar of truth in a world full of noise and influence.
Safety Assurance
Safety assurance is the commitment to protecting people, products, and processes through proactive planning,.

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○ Our Client Say

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What are research peptides?
Research peptides are short chains of amino acids used in scientific and laboratory studies. They are not approved for human or animal consumption and are strictly intended for in vitro research purposes only.
Are your peptides for human use?
No. Our peptides are for research purposes only and are not intended for human or veterinary use. They should not be used in food, drugs, or cosmetics.
How should I store peptides?
Lyophilized (powder) peptides should be stored in a cool, dry place — ideally in a freezer at -20°C. Once reconstituted, they should be stored at 2–8°C and used as soon as possible.
How are your peptides shipped?
We ship peptides in secure, temperature-stable packaging to ensure quality during transit. Tracking information will be provided once your order ships.
Do you provide Certificates of Analysis (COA)?
Yes. All of our peptides come with a Certificate of Analysis to verify purity and quality.
Research peptides are short chains of amino acids used in scientific and laboratory studies. They are not approved for human or animal consumption and are strictly intended for in vitro research purposes only.
Can you ship internationally?
Yes, we ship worldwide. However, it is the buyer’s responsibility to ensure peptides can be legally imported into their country.