Trusted Excipients for Confident Formulation
Ensure product consistency, stability, and regulatory compliance with Avantor’s broad portfolio of high-purity pharmaceutical excipients. Backed by decades of excipient experience, Avantor is a trusted supplier to pharmaceutical and biopharmaceutical manufacturers worldwide, supporting drug formulation success at any scale.
Our Excipient Offerings
Prevent microbial growth in liquid and multi-dose formulations.
Preserve molecular integrity and add structure to biologics, lyophilized products, and solid dosage forms.
Ensure product uniformity and prevent separation in emulsions, suspensions, and gels.
Maintain formulation pH and support compatibility across delivery routes with high-quality buffering agents—foundational for biomanufacturing workflows.
Protect drug stability by preventing oxidative degradation and metal ion interactions.
Partner with Avantor to develop excipients tailored to your formulation, purity, or compliance needs.
Improve handling and reduce waste with the Flowmor™ packaging system, designed to shield hygroscopic excipients from ambient moisture, keeping them free-flowing and ready to use.
Related Resources
Bolster pharmacological activity with high-purity APIs supported by global regulatory filings, cGMP manufacturing, and dependable supply chain expertise.
Optimize your biopharmaceutical manufacturing processes and product effectiveness with the J.T.Baker® Direct Dispense packaging system.
Learn how excipients and buffer composition can reduce viscosity, prevent aggregation, and ensure stability in high-concentration monoclonal antibody drugs.