Frequently Asked Questions
What is Celltek Labs?
Celltek Labs is a biotechnology research supplier offering high-purity peptides, amino-acid derivatives, and specialty research compounds. All products are intended strictly for in-vitro, laboratory, and educational research use.
Who can purchase from Celltek Labs?
Our products are intended for laboratories, research professionals, and academic institutions conducting scientific research. By purchasing, you agree to use all materials responsibly and legally.
Do I need a license to buy peptides?
In most regions, a specific license is not required to purchase research chemicals for laboratory use. However, you are responsible for ensuring that these materials are legal to purchase and possess in your jurisdiction.
What purity are your peptides?
Our peptides are produced to high purity standards (typically >99% HPLC-tested). This level of purity supports reliable and reproducible research results.
How should I store research peptides?
Store products in a cool, dry place away from direct light and heat. For long-term research use, follow your lab’s protocols, which may include refrigeration or freezing to maintain stability.
Do you offer refunds or returns?
Due to the nature of research materials, all sales are final. If your order arrives damaged or incorrect, please contact us within 48 hours of delivery so we can review and assist.
How long does shipping take?
Orders typically ship within 1–3 business days. Delivery times vary based on carrier and destination. You will receive a tracking number once your order has shipped.
Do you ship internationally?
Shipping is available to U.S. domestic addresses only. Customers are responsible for ensuring compliance with local regulations. CellTek Labs is not liable for shipping carrier delays or delivery issues beyond our control
How will my package be labeled?
Packages are shipped discreetly. Products are clearly marked “For Research Use Only,” but no medical or therapeutic claims appear on the outer packaging.
What payment methods do you accept?
We accept major credit and debit cards and other secure payment options supported by our checkout (such as digital wallets, Venmo, Cash App, Crypto, etc.).
Can I track my order?
Yes. Once your order ships, you will receive an email (or SMS, if enabled) with tracking information so you can follow your shipment.
What if I entered the wrong shipping address?
Please contact us as soon as possible. If the order has not shipped, we will attempt to update the address. If it has already shipped, additional shipping fees or delays may apply.
