Do Thrivous supplements have expiration dates?

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Thrivous supplements include either a "mfg date" or a "best used by" date, which is printed on the bottom of the bottle during the manufacturing process. The "best used by" date is usually three years from the time of manufacturing. And supplements are usually safe and effective for at least three years from the "mfg date."

Individual nutrients in supplements may have an expiration or retest date set by the supplier, as disclosed in the certificate of analysis that Thrivous publishes. These dates indicate the recommended date by which the material should be tested again to ensure quality. They do NOT mean that the nutrient is no longer safe or effective after the date.

FDA has performed extensive stability testing of numerous pharmaceutical products. In 2006, the Journal of Pharmaceutical Sciences published an analysis of the FDA's stability test data. The analysis found that 88% of products maintained stability at least one year beyond their original expiration date for an average extension of over five years. And the analysis concluded that "the stability and quality of extended drug products can only be assured by periodic testing and systematic evaluation".

Accordingly, at time of manufacturing, Thrivous and third-party labs re-test all of our supplement nutrients and their combination to ensure quality. Tests generally include at least identity, potency, microbial, and heavy metals. Finished products are only shipped if they pass all tests.