Increasing access to vaccines

SaponiQx is a cutting edge bio-pharmaceutical company with a vision of protecting the health of populations worldwide. We seek to enable the development of safe and effective vaccines through the expansion of access to saponin based adjuvants.

QS-21 STIMULON™: a proven adjuvant

SaponiQx’s proprietary saponin QS-21 STIMULON is a crucial component of the adjuvant in GSK’s FDA-approved Shingrix vaccine


Helps elicit a more powerful immune response for greater protection


Provides longer lasting protection through a high quality immune response


Conserving antigen using an adjuvant can dramatically reduce total vaccine cost

What are

Vaccine adjuvants?

About SaponiQx


Making critical adjuvants broadly available for
life-saving vaccines


Success in vaccine development across industry, government, and academia

Proven Product

QS-21 is a potent adjuvant component utilized in multiple approved vaccines

Adjuvant Pipeline

Designing bespoke adjuvants to target specific immune responses

Manufacturing Platform

Secure and scalable supply chain for improved quality and access to QS-21

Superior Efficacy

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Superior Duration

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Superior Cost Per Dose

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SaponiQx was created around a compelling capability...

…the ability to sustainably manufacture the proven saponin adjuvant QS-21 STIMULONTM at commercial scale using cell culture instead of its limited natural source, Chilean tree bark.

SaponiQx's streamlined manufacturing process replaces a complex, risky, and expensive supply chain

Multiple facilities and countries; > 15 steps

Current Manufacturing Process

(Bark Extract)


One site; > 7 steps

Manufacturing Process

(Cell Extract)

Explore our stories

Get a glimpse of how we work to improve lives

New Agenus Subsidiary, SaponiQx, Builds Innovative Adjuvant Platform and Forms Collaboration with Ginkgo Bioworks
SaponiQx is proud to be the newest member of the Medical CBRN Defense Consortium (MCDC)
Chan Harjivan, SaponiQx President and COO, presentation at GinkoFerment 2023.