
In-N-Out, an American fast-food staple since 1948, is beloved nationwide, with famous fans including Zendaya, Tom Holland, and Oscar winner Michael B. Jordan.
But the beloved West Coast brand you know and love is changing, and many fans think it's for the best.
Last year, In-N-Out removed high-fructose corn syrup from its ketchup as part of its ‘ongoing commitment’ to customers.
“Over the years, we’ve made meaningful changes to our ingredients, and this past year was no exception. We’re pleased to share our latest update, and we’ll continue building on that commitment for years to come,” the business said via Instagram.
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Following the removal of liquid sweetener from ketchup, In-N-Out has opted to make two further changes across locations in 10 states.
The first is that sesame flour will no longer be found in its burger buns.

The Los Angeles Times reported that removing sesame flour—a gluten-free, low-carbohydrate alternative to traditional grain flours—may address growing sesame allergies.
People with sesame sensitivities may experience symptoms such as mild skin irritation, stomach cramps, and coughing fits, as per Anaphylaxis UK.
The California-born company reportedly added sesame flour to its mixture in 2024. It has not given an official rationale for the recipe change.
Secondly, In-N-Out has said its packets of iodised table salt, mined from undergound deposits and processed to remove other minerals, will be replaced with sea salt.
WebMD reported that while iodised salt helps create the hormones that regulate heart rate and blood pressure, it can pose a danger to your health if you consume too much.
Sea salt provides essential sodium and trace minerals and comes from evaporating seawater.

Benefits of eating sea salt include regulating fluid balance, soothing irritated skin, and reducing high cholesterol levels.
Again, In-N-Out Burger has not confirmed why it ditched ionised salt for a less processed alternative.
Burger fans have been having their say about the ingredient changes on social media, with one Instagram user writing: “I didn't think that I could love In-N-Out more than I already did.”
“So glad sesame will be gone!!! Have been allergic to it for years!!!!,” someone else replied.
Another said: “@innout does not get enough love or acknowledgment for the care and attention they give not only to their customers but their employees.
“Their quality of food has never gone down nor have they ever cut corners in that while trying to make a profit. They always paid their employees better than the minimum wage but never threw their cost on the customers explicitly and have kept their prices very reasonable.” (Sic)
A fourth added: “Keep em coming!!! No seed oils PLEASE.”
In-N-Out fans ‘beg’ for beef tallow fries

Many users took the opportunity to question whether In-N-Out would be willing to stop frying its chips in sunflower oil and use beef tallow instead.
The latter, rendered from beef, pork, or mutton suet, is high in saturated fat, which may increase inflammation when consumed in high quantities, warned the University of Texas MD Anderson Cancer Center.
It also contains nutrients like vitamins A, D, E and K, and a type of omega-6 fatty acid called conjugated linoleic acid.
Beef tallow is championed by Robert F. Kennedy, who claimed that widely used seed oils were ‘poisoning’ US citizens.
He claimed that fast-food restaurants only switched because they were told ‘saturated animal fats were unhealthy’.
"I don't have anything against fast food; I'm against food that has seed oils,” he said in a Fox & Friends interview.

Dr Amit Khera, who has previously worked on dietary guidance for the American Heart Association, has expressed his concern that consumers are now ‘actively consuming beef tallow when they weren't doing it before or replacing healthy oils with unhealthy sources of saturated fat’.
"It's one thing if you don't want to do oils in general. It's different if you are actively reaching out for products that are high in saturated fats that we know can increase your cholesterol and adverse effects for cardiovascular effects,” he told ABC News.
FOODbible has contacted In-N-Out for comment.
Topics: Fast Food, US Food, Social Media