"Vitamin supplements stored in a kitchen cupboard could become useless in just one week because of the humid environment, experts said yesterday.-- The Daily Mail
Even keeping products in bottles with lids might not stop the pills degrading.
Food scientists found that crystalline substances - including vitamin C, some forms of vitamin B and other dietary supplements - are prone to an irreversible process called deliquescence.
It means that at levels of high humidity found in kitchens and bathrooms, essential nutrients can simply dissolve into the air."
Oh, and "with a 1.3 adults 18-49 rating, the Oprah Winfrey Oscar Special was 19% lower than Ugly Betty’s last original episode in the time slot."