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Date of last update: 9/5/2017.

Forum Name: Pharmacy & Drug Topics

Question: Under what conditions do vitamins 'go bad'?


 Curtis24 - Tue Mar 11, 2008 3:36 pm

Under what storing conditions will vitamins go bad and lose their effectiveness? At what point does temperature become too extreme for vitamins?
 Dr. Chan Lowe - Tue Mar 11, 2008 8:07 pm

User avatar Hello Curtis24,

Vitamin supplements are generally stable for a couple years (as per the manufacturers use by date). Things that tend to increase their degradation include high heat and moisture. Typical inside temperatures are most likely fine. Higher temperatures (>100 or so) may begin to accelerate break down. Take my temperature suggestions with a bit of caution since I just picked that number as being a bit hotter than typical.

Best wishes.
 Curtis24 - Wed Mar 19, 2008 7:24 pm

Thanks! ONly problem is that over the summer I might not have an air-conditioner. Would keeping them in a fridge be alright?

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