Frequently Asked Questions
Products & Quality
Peptides are short chains of amino acids. Researchers study them in laboratory settings to investigate biological processes and molecular interactions.
No. Our products are sold exclusively for laboratory research. They are not intended for human or animal consumption, clinical use, or the diagnosis, treatment, cure, or prevention of disease
No. We do not provide dosing, administration instructions, or medical advice. Researchers are responsible for following appropriate laboratory procedures.
Yes. Each product batch undergoes testing in the United States. Testing scope varies by product and batch.
Refer to the corresponding Certificate of Analysis for the tests performed and results
Batch-specific COAs are available in our COA Library . Match the batch number on your product to the corresponding report. For assistance, email support@pearpharm.com.
Our products are primarily supplied as lyophilized powder. Other formats, including strips or nasal spray formulations, may be available. Check the individual product page for its format, quantity, and specifications.
All formats are sold exclusively for laboratory research.
Powder appearance alone cannot establish a product’s identity, purity, or quantity. If you notice an unexpected difference or suspect damage, contact us with the product name, batch number, and photos.
Follow the storage instructions printed on your product’s label. Requirements vary by product and formulation, including before and after reconstitution.
Refer to the product label and accompanying documentation for shelf-life information and storage instructions. Contact support@pearpharm.com if you need clarification .
Orders & Payments
Yes. You must create an account or log in before completing checkout.
Available payment methods are displayed at checkout. If you experience a payment issue, email support@pearpharm.com for assistance.
An order confirmation will be sent to the email address used at checkout. If you do not receive it, check your spam folder or contact support with your name and checkout email address.
Contact support@pearpharm.com as soon as possible with your order number and requested change. We will review whether we can accommodate your request before shipment. Once an order has shipped, changes and cancellations are not accepted.
Yes. For bulk orders or recurring supply requests, email support@pearpharm.com with the products and quantities you need. Our team will provide pricing and availability information.
Shipping & Delivery
We ship nationwide within the United States. Shipping charges and available delivery options are displayed at checkout.
We ship on Tuesdays, Thursdays, and Saturdays, with orders dispatched by 12:00 p.m. Eastern Time.
Orders must be placed and payment confirmed by 11:59 p.m. Eastern Time the night before:
• Monday night for Tuesday shipment
• Wednesday night for Thursday shipment
• Friday night for Saturday shipment
Orders received after the cutoff are scheduled for the next shipping day. Holidays and carrier availability may affect this schedule.
We ship through USPS, FedEx, and UPS. Available shipping options and estimated delivery times are displayed at checkout. Delivery times depend on the service selected and your destination.
We occasionally offer free shipping promotions and other special offers. Sign up for our promotional emails to receive updates. Eligibility and terms are included with each offer.
You will receive an email with your tracking number and carrier information. Use that number on the carrier’s website to view delivery updates. Tracking may initially show “label created” before the carrier scans your package.
Contact support@pearpharm.com with your order number and tracking information. We will investigate the issue with the carrier and contact you with updates and next steps.
If tracking shows delivery, first check around your delivery location and with household members, neighbors, or building management.
Contact support@pearpharm.com immediately with your order number and the correct address. We will make every effort to correct it. If your package has already shipped, we will try to assist through the carrier, but address changes or rerouting cannot be guaranteed.
Returns & Support
Email support@pearpharm.com within 72 hours of receiving your order. Include your order number, a description of the issue, and photos of the packaging and affected items. Keep the packaging while we review your request.
We do not accept returns. If your order arrives damaged, incorrect, or incomplete, contact support@pearpharm.com within 72 hours of delivery. Include your order number, a description of the issue, and relevant photos.
We review reported issues fairly and work with customers toward a reasonable resolution. Please contact us before initiating a chargeback so we have an opportunity to address your concern.
Email support@pearpharm.com. Our support hours are Monday through Friday, 9:00 a.m. to 6:00 p.m. Eastern Time. We typically respond within one business day. Include your order number for help with an existing purchase.