California food labels are changing under a new state law designed to reduce food waste and make food packaging easier for consumers to understand. The new rules remove the use of “sell-by” dates on many food products and replace them with standardized labels that better explain whether a product is still safe to eat or simply past its peak quality. The law took effect this week and applies to many packaged food items sold throughout the state.

State officials say confusing food labels have contributed to millions of pounds of unnecessary food waste each year. Many shoppers mistakenly believe that a “sell-by” date is the same as an expiration date, even though the label was originally intended to help retailers manage store inventory rather than indicate food safety. The updated labeling system is expected to help consumers make more informed decisions before throwing food away.

Under the new law, manufacturers are encouraged to use clear labels such as “Best if Used By” to indicate product quality and “Use By” when a date is related to food safety. Supporters believe the simplified approach will reduce confusion while encouraging households to waste less food.

California Food Labels Compared With Canada

Unlike California’s new system, Canada generally does not use “sell-by” labels on food packaging. Canadian consumers are more familiar with “best before” dates, which indicate when a product is expected to maintain its best quality under proper storage conditions. Food experts emphasize that a best before date does not automatically mean a product has become unsafe to eat.

According to food economists, confusion about date labels contributes to billions of dollars in avoidable food waste each year in Canada. Organizations working to reduce food waste have welcomed California’s approach, saying clearer labeling could help consumers better understand the difference between product quality and food safety. Some experts have suggested that wider adoption of standardized labels could provide similar benefits in other regions.

Experts also note that consumers should continue to store food properly and follow handling instructions. Date labels are only one factor in determining whether food remains suitable for consumption. Storage conditions, packaging, and the type of food also play important roles in maintaining quality and safety.

New Rules Aim to Improve Consumer Understanding

Supporters of the new California food labels believe the changes will make shopping less confusing while helping reduce unnecessary waste. Food rescue organizations have said that misunderstanding date labels causes many perfectly edible products to be discarded before they need to be. Standardized wording may also make it easier for retailers, food banks, and consumers to determine which products can still be safely used.

California is the first U.S. state to implement this type of standardized food labeling system. Similar proposals are being considered elsewhere as governments and food organizations look for practical ways to reduce waste, improve consumer education, and make food labeling more consistent. If the approach proves successful, it could encourage broader discussions about adopting similar standards in other jurisdictions.