KATHAROS_LOGO_SMALL

SHIPPING POLICY

Effective Date: May 1, 2026

OVERVIEW

Katharos Laboratories, Inc. (“Katharos”, “we”, “us” or “our”) provides controlled domestic distribution of research-grade materials within the United States. All shipments are handled in accordance with our quality assurance, temperature-control, and research use only handling protocols to maintain Product integrity and traceability. This shipping policy (“Shipping Policy”) is incorporated into and subject to the Terms governing all Product purchases. Any capitalized terms not defined in this Shipping Policy have the meanings provided in the Terms.

We offer free standard delivery within the U.S. for orders exceeding $300.

 DOMESTIC DISTRIBUTION

Please allow 1 to 2 business days for order verification and processing prior to shipment. Delivery timelines listed below represent estimated carrier transit times and begin only after payment confirmation and quality release. We reserve the right to determine the most secure and reliable carrier or method necessary to preserve shipment integrity and ensure compliance with research transport requirements.

STANDARD SHIPPING

 − Processing Time: 1 to 2 business days

− Transit Time: 3 to 5 business days
− Estimated Delivery: 4 to 7 business days after payment confirmation

 2-DAY SHIPPING

 − Processing Time: 1 to 2 business days

− Transit Time: 2 business days
− Estimated Delivery: 3 to 4 business days after payment confirmation

 OVERNIGHT SHIPPING

 − Processing Time: 1 to 2 business days

− Transit Time: 1 business day
− Estimated Delivery: 2 to 3 business days after payment confirmation

Note “overnight” refers to carrier transit time following shipment, not from the time the order is placed. Orders submitted after our daily processing cutoff or during high-volume periods may require up to 2 business days before dispatch.

 HOLIDAYS

We do not ship on federal holidays or weekends. Orders placed late Friday or over the weekend are typically fulfilled the following Monday.

INTERNATIONAL SHIPMENTS

We do not currently ship internationally. All purchases and deliveries are limited to research partners and institutional addresses within the United States.

CONTACT US

For questions about this Shipping Policy, please contact us at:

Katharos Laboratories, Inc.
Email: support@katharoslab.com

POLICY CHANGES

 We reserve the right, at our discretion, to change, modify, add, or remove portions of these Terms at any time. Material changes will be posted on the Website or otherwise communicated to you. All changes will be effective immediately upon posting to the Website.