503B Outsourcing Resources
Expert guidance on compliance, quality standards, and what to look for when choosing an outsourcing facility.
Everything healthcare providers need to know about 503B compounding pharmacies — what they are, how they differ from traditional pharmacies, what services they offer, and how to choose the right one.
Read the guide
Access the official FDA list of registered 503B outsourcing facilities. Learn how to search the FDA database, verify facility registration, and find qualified compounding partners.
Read the guide
Learn the difference between FDA approved and FDA registered compounding pharmacies, and follow our step-by-step guide to verify any facility's credentials and compliance history.
Read the guideNew to 503B? Start here with essential guides and explainers.
4 resources
Getting Started
Learn what a 503B outsourcing facility is, how the FDA regulates them, and the critical role they play in the U.S. healthcare system. A complete guide for healthcare professionals.
Read the guide
Getting Started
Everything healthcare providers need to know about 503B compounding pharmacies — what they are, how they differ from traditional pharmacies, what services they offer, and how to choose the right one.
Read the guide
Getting Started
A complete comparison of 503A and 503B compounding pharmacies. Understand the key differences in FDA regulation, cGMP compliance, batch size, and use cases.
Read the guide
Getting Started
How to find a compounding pharmacy near you, including 503B outsourcing facilities and 503A pharmacies. Use our directory, state-by-state listings, and verification steps to find the right compounding partner.
Read the guideNavigate FDA requirements, verify facilities, and stay compliant.
4 resources
FDA & Regulatory
Access the official FDA list of registered 503B outsourcing facilities. Learn how to search the FDA database, verify facility registration, and find qualified compounding partners.
Read the guide
FDA & Regulatory
Learn the difference between FDA approved and FDA registered compounding pharmacies, and follow our step-by-step guide to verify any facility's credentials and compliance history.
Read the guide
FDA & Regulatory
A comprehensive overview of 503B outsourcing facility regulations including FDA registration, cGMP requirements, the bulk drug substances list, inspection process, and state vs federal regulatory overlap.
Read the guide
FDA & Regulatory
Understand the current landscape of compounded GLP-1 medications from 503B outsourcing facilities, including tirzepatide and semaglutide availability, FDA regulations, and how to find a legitimate source.
Read the guidePrepare for inspections and maintain quality standards.
2 resources
Inspections
Review the latest FDA inspection results for 503B outsourcing facilities, including BPI Labs, Eagle Pharma, and Fagron Form 483 observations from 2025-2026.
Read the guide
Inspections
Actionable steps 503B outsourcing facilities should take to prepare for FDA inspections in 2025, including common deficiencies, documentation readiness, and cGMP compliance strategies.
Read the guideWe're building our library of 503B compliance guides and industry insights. In the meantime, let us help you find the right outsourcing partner.