Vitamin B12 plays a critical role in human health, yet its complex structure and inherent instability make accurate testing and quantification uniquely challenging. From variability in traditional methods to evolving product applications, analytical approaches have had to adapt alongside the market. 

In this webinar, Eurofins Supplement & OTC experts will walk through the evolution of Vitamin B12 analysis from early limitations to the development of advanced, next-generation techniques that are redefining accuracy, sensitivity, and confidence in results. Attendees will gain insight into how these advancements are not only improving measurement capabilities but also shifting industry perspectives on what “accurate quantification” truly means.

Key Takeaways

• The evolution of Vitamin B12 testing—from historical challenges to modern solutions
• How emerging technologies are transforming analytical capabilities
• Why longstanding analytical limitations are reshaping the philosophy of quantification

Meet the Presenter

Jeff Stassi

Sr. Analytical Services Manager, Eurofins Supplement & OTC

Jeff Stassi is the Sr. Analytical Service Manager for Dietary Supplement Testing Services at Eurofins. Mr. Stassi has 39 years of experience in laboratory operations management, analytical testing, and method validation activities. Jeff is well-versed in consulting with dietary supplement brands and manufacturers to create a cost-effective, risk-based approach to testing that meets all the scientific rigor and applicable regulatory requirements. Jeff has also been instrumental in developing internal programs and strategies to provide testing solutions to align with the Amazon Dietary Supplement Policy. 

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