A 44-year-old member asked:
Is it a bad idea to take expired protein supplements (powder)?
1 doctor answer • 1 doctor weighed in
Pediatrics 27 years experience
Yes: Substances, whether grown in a field or created in a laboratory or factory, change over time. They can lose potency, and/or they can lose nutrient value. The expiration date is the outer edge of when the manufacturer will guarantee potency and/or nutrient value. Beyond that time, you may be taking something that will either not have the desired effect or possibly have a negative one.
5.6k viewsAnswered >2 years ago
Last updated Oct 1, 2012
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