Frequently Asked Questions
Crucible Peptides · hello@cruciblepeptides.com
About Our Products
What are research peptides?
Research peptides are short chains of amino acids used in scientific and laboratory research. They are supplied for in-vitro research purposes only and are not intended for human consumption or clinical use.
What does RUO mean?
RUO stands for Research Use Only. All products sold by Crucible Peptides are labeled and sold exclusively for laboratory research purposes. They are not approved for human or veterinary use.
What purity levels do your products have?
All Crucible Peptides compounds are verified at ≥98% purity minimum. Select compounds such as Epithalon and NAD+ are verified at ≥99% purity. Purity is verified by independent third-party laboratory analysis.
What form are the compounds supplied in?
All compounds are supplied as lyophilized (freeze-dried) powder in sealed vials. Lyophilization ensures maximum stability and shelf life during storage and shipping.
Certificates of Analysis
What is a Certificate of Analysis?
A Certificate of Analysis (COA) is a document from an independent third-party laboratory confirming the identity, purity, and quality of a compound. Every Crucible Peptides order ships with a COA for each compound purchased.
Who performs your testing?
All compounds are tested by independent third-party accredited laboratories using HPLC and mass spectrometry analysis. We do not perform in-house testing.
Where can I find COAs for your products?
COAs are available in our COA Library. Each product page also links to the relevant COA for that batch. COAs are provided with every order.
Ordering
What payment methods do you accept?
We accept major credit cards, ACH bank transfer, and cryptocurrency. All transactions are processed securely.
What is your minimum order?
There is no minimum order requirement. You may purchase a single vial of any compound.
Do you ship internationally?
Currently we ship to all 50 US states only. International shipping is not available at this time.
How long does shipping take?
Orders are processed within 1-2 business days. Standard shipping typically arrives within 3-7 business days depending on your location.
Storage
How should I store my compounds?
All lyophilized compounds should be stored at -20°C in a freezer away from light and moisture. Proper storage conditions are indicated on each product label.
What is the shelf life of your compounds?
When stored properly at -20°C lyophilized peptides are stable for 24-36 months. The expiration date is printed on each vial label.
Compliance
Are your products legal?
Research peptides occupy a complex regulatory space. It is your sole responsibility to ensure that your purchase and use of these compounds complies with all applicable federal, state, and local laws and regulations in your jurisdiction. We sell exclusively for legitimate scientific research purposes.
Can I use these products on myself or others?
No. All products are sold for research use only and are not intended for human consumption, veterinary use, or any clinical application.
Contact
How do I contact Crucible Peptides?
Email us at hello@cruciblepeptides.com. We aim to respond to all inquiries within 1 business day Monday through Friday.