How Long Are Foods OK to Eat?
Some critics have accused drug manufacturers of hyping these dates to encourage more drug sales. Highly acidic foods like tomato sauce can keep 18 months or more. Don't be too cautious. Does fish food with no expiration date go bad? Whats the shelf life of jam?
About Eat By Date - How Long Does Food Last?
Overall, I looked at 4 more studies. Two of them showed weight loss of a few pounds over a period of 8 weeks (9, 10), but the other two showed no effect (11, 12). So… unfortunately, the weight loss effects appear to be both weak and inconsistent.