Questions,
answered clearly.

Simple Peptide supplies high-purity research peptides, compounds, and related materials for scientific investigation. Products are for Research Use Only and not for human use.

You can reach our team via the contact page or email support@simplepeptide.com. We’re happy to help with order questions and documentation requests.

Peptides are short chains of amino acids that form specific sequences studied for structure, binding characteristics, and biochemical activity in research settings.

No. Products are sold for research use to qualified buyers and are not intended for clinical or therapeutic applications.

We accept major credit cards (Visa, MasterCard, American Express) and select business payment options. Contact support for institutional payments.

Orders can often be adjusted within 24 hours if they haven’t shipped. Please email support as soon as possible.

Orders placed before 2:00 PM Eastern Time (ET), Monday through Friday, ship the same day via 2nd Day Air. P.O. Box orders ship via USPS. Orders outside the cutoff are not guaranteed to ship the same day. Most shipments deliver within two business days, though carrier or weather delays may occur.

No. We currently ship within the United States only.

You’ll receive a confirmation email with a tracking link as soon as your order ships.

Some items are shipped with appropriate packaging to maintain stability. See each product page for any special requirements.

Please contact support with your order number. We will coordinate with the carrier and help resolve the issue.

Email us with your order number and photos of the damage, product, and shipping label. Damaged products can only be replaced with proper photo documentation.

Store in a cool, dry place away from light. Some products may require refrigeration or freezing for long-term stability. Refer to the product label for specific guidance.

Incoming API is required to meet a ≥99% purity standard before lyophilization. Molecule-specific final results may vary; the applicable product page and lot COA control.

Most products are supplied as lyophilized powders to support stability during shipment and storage.

Yes. For COAs issued May 2026 and later, testing includes sterility, endotoxin, purity, and net peptide content. Review the applicable lot COA; additional documentation is available upon request.

Yes. Contact support with the SKU and we’ll share current lot documentation where available.

We do not provide protocols, dosing, or administration guidance. All products are for laboratory research only and not for human use.

Unopened, unused items may be eligible for return within seven days of delivery. Contact support to initiate a review.

We may request institutional or business details to confirm the intended research use when appropriate.

RUO indicates products are supplied solely for laboratory investigation. They are not intended for human use, therapeutic applications, or diagnostics.