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$7.95 – $13.95Price range: $7.95 through $13.95purity guarantee
All our peptides are batch-tested to ensure ≥99% purity. Each batch comes with a third-party..
Tailored Sequences Verified Quality
Puratek offers custom peptide synthesis tailored to your exact research requirements.
Quality You Can Rely On
99% HPLC-Tested Purity
Every batch is lab-verified for accuracy, reliability, and consistent research outcomes.
Research-Grade Quality
Premium peptides at industry-leading prices without compromising standards.
purity guarantee
If purity falls under 99%, contact us for a full refund. Your research deserves accountability, not empty promises.
Trusted by Researchers
Our products are used across labs, clinics, and scientific teams for consistent results.
Expert Support
Our team is available by email or phone to assist with any product questions.
Fast, Reliable Shipping
Same-day shipping before 1 PM PST. Free shipping over $150.
Frequently Asked Questions
What are research peptides and how are they intended to be used?
Are your products intended for human or animal use?
No. All products sold by Puratek Peptides are strictly for Research Use Only and are not approved for human or animal consumption, administration, or therapeutic application of any kind.
Are your products guaranteed?
Yes, We don't just claim purity—we prove it. Every batch undergoes rigorous third-party testing, with full COAs available right on the product page. Not satisfied with your own lab results? If purity falls under 98.5%, contact us for a full refund. Your research deserves accountability, not empty promises.
Why are your products labeled as not for human or animal consumption?
Do you provide instructions or guidance on how to use your products?
Who is eligible to purchase from Puratek Peptides?
Are your products tested or verified?
Are your peptides pure?
We don't just claim purity—we prove it. Every batch undergoes rigorous third-party testing, with full COAs available right on the product page. Not satisfied with your own lab results? If purity falls under 99%, contact us for a full refund. Your research deserves accountability, not empty promises.
Why does the peptide powder sometimes appear clumpy or uneven?
How should research peptides be stored?
Proper storage is essential to maintain compound integrity.
Lyophilized (dry) peptides:
May be stored at controlled room temperature for short durations when kept dry and protected from light. Short-term storage of up to approximately 2–3 weeks is generally acceptable under these conditions.Reconstituted peptides:
Should be stored under refrigerated conditions, typically 35–40°F (2–4°C). Reconstituted materials should be handled carefully and used according to laboratory best practices to minimize degradation.
Do you ship internationally?
How long does it take to process and ship an order?
Is overnight or expedited shipping available?
Yes. Expedited shipping options, including overnight delivery, may be available at checkout depending on destination and carrier availability.
Can I track my order?
Is packaging discreet?
Can I cancel or modify my order?
If your order hasn’t been processed and shipped, orders can be modified and/or cancelled. If the order has already been processed, no changes can be made. If you encounter any issues during the order process please contact us at support@puratekpeptides.com and we will promptly assist you in resolving any issues.
Can I return my products?
What happens if my order arrives damaged or incorrect?
Please contact us at support@puratekpeptides.com with any order or shipment issues and we will promptly assist in processing replacements due to fulfillment errors and help with any courier issues to the best of our ability.