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If you're wondering whether In-N-Out uses beef tallow in their cooking, the quick answer is no. Despite its reputation for quality and freshness, In-N-Out does not use beef tallow for frying. Instead, the oils used remain unclear, which is why the SOS Rating for In-N-Out stands at 0/5. For those committed to a seed oil-free lifestyle, this may be a disappointment.

Does In-N-Out Actually Use Beef Tallow?

While beef tallow was once the standard for frying, especially in beloved fast-food chains like McDonald's until the 1990s, In-N-Out has not followed this traditional path. There is no clear evidence that In-N-Out uses beef tallow in their cooking processes. This absence of tallow use might be surprising to fans of the chain who are also advocates of ancestral health, but it aligns with the broader industry shift away from traditional fats.

What Oils Does In-N-Out Use Instead?

The specific type of oil used by In-N-Out remains somewhat of a mystery. While the brand is known for its commitment to fresh ingredients, the lack of transparency regarding their frying oil is a concern for those trying to avoid seed oils. You can explore more about their oil usage in our dedicated article on whether In-N-Out uses seed oils [here](https://seedoilscout.com/blog/does-in-n-out-use-seed-oils).

Why Beef Tallow Matters

Beef tallow is a traditional fat that boasts numerous health benefits over modern seed oils. Unlike seed oils, which are high in omega-6 linoleic acid and contribute to lipid peroxidation and oxidative stress, beef tallow is stable at high temperatures and rich in saturated fats that support metabolic health. For more in-depth information on the health benefits of beef tallow, check out our [beef tallow health guide](https://seedoilscout.com/blog/is-beef-tallow-healthy).

How In-N-Out Compares to Other Chains

When it comes to oil usage, In-N-Out is not alone in its lack of transparency. Many fast-food chains have moved away from traditional fats, opting for cheaper seed oils. However, some chains have started to reconsider the health impacts of their cooking oils. Understanding the differences between beef tallow and vegetable oil can provide a clearer picture of why some chains are making the switch back to traditional fats. For a detailed comparison, visit our [beef tallow vs vegetable oil guide](https://seedoilscout.com/blog/beef-tallow-vs-vegetable-oil).

The Bottom Line

In-N-Out does not currently use beef tallow for frying, which is crucial information for those looking to avoid seed oils. While the chain is celebrated for its fresh ingredients, the lack of transparency regarding the specific oils used is a concern for health-conscious diners. If you're navigating dining options with a focus on clean eating and ancestral health principles, the Seed Oil Scout app can be an invaluable resource. Download the app today to make informed dining decisions and discover which restaurants align with your health goals. 🫡 For more practical tips on avoiding seed oils at restaurants, don't forget to explore our comprehensive [dining guide](https://seedoilscout.com/blog/how-to-avoid-seed-oils-at-restaurants). Ready to empower your dining choices? [Download the Seed Oil Scout app](https://seedoilscout.com) now and take control of your health journey.