Peptides are short chains of amino acids that function as precise biological signals. In laboratory settings, they are widely used to explore molecular pathways, model specific regions of proteins, and support assay development and method validation in research environments.

In Lab Peptides provides research-use-only (RUO) peptides and bioregulators with a strong focus on consistency, documentation, and quality control. Our products are synthesized using established manufacturing methods and supported by independent third-party testing when available. Batch records and Certificates of Analysis (COAs) help confirm identity and purity to support reliable research workflows.

Most orders are processed and shipped the next business day. Once shipped, U.S. domestic delivery typically takes 2–4 business days, depending on the carrier and destination. Tracking information is automatically provided as soon as your order leaves our facility.

Our peptides are produced using solid-phase peptide synthesis (SPPS), a gold-standard method in peptide manufacturing. This process enables precise sequence assembly and efficient purification to achieve high purity suitable for research applications. When applicable, third-party analytical testing and COA documentation are used to verify batch quality and integrity.

Yes. In Lab Peptides provides supporting documentation such as Certificates of Analysis (COAs) when available. These documents outline analytical results related to purity, identity, and quality control for each batch to support research validation.

Our peptides are typically synthesized and verified at ≥99% purity for research use. Batch-specific COAs provide detailed analytical results for each individual product lot.

We accept major credit and debit cards. Any additional payment options available will be displayed securely during checkout.

Orders cannot be modified or canceled once submitted, and all sales are final. Please carefully review your order details and shipping information before completing your purchase.

Due to the nature of research-use-only products, all sales are final. We do not accept returns or issue refunds.

For optimal stability, peptides should be stored in a cool, dry, and dark environment. Many research laboratories store lyophilized peptides at –20°C. Always follow any product-specific storage instructions provided.

When stored properly, lyophilized peptides can remain stable for months to years (commonly at –20°C in a dry environment). Once reconstituted, stability varies by compound and conditions. Many labs use reconstituted solutions promptly and minimize freeze–thaw cycles.

Yes. Peptides may degrade due to moisture, heat, light exposure, oxidation, or repeated freeze–thaw cycles. Proper storage and careful handling help reduce degradation and preserve integrity.

Yes. Our peptides undergo multi-panel laboratory testing to assess purity and content. When applicable, testing may include endotoxin screening, heavy metal analysis, and sterility-related assessments, supported by third-party verification.

All products are offered for research use only (RUO). Customers are responsible for ensuring compliance with all applicable local, state, and federal regulations governing purchase, handling, and use.

No license is typically required to place an order. However, all purchasers must acknowledge that products are sold for research use only (RUO) and agree to comply with all applicable regulations.

At this time, In Lab Peptides does not offer gift cards or store credit.

You can contact our customer support team by emailing support@inlabpeptides.com. We aim to respond promptly to all inquiries during normal business hours.