If you swap out natural fats from animals (like butter or lard) for man-made or heavily processed fat substitutes, your body might not get the special fat molecules it needs to keep cells healthy and send proper chemical signals.

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Pro

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Evidence from Studies

Supporting (0)

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Community contributions welcome

No supporting evidence found

Contradicting (1)

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Community contributions welcome

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Serum lipidomic profiling of dairy calves fed milk replacers containing animal or vegetable fats.

Randomized Controlled Trial

Animal

2024 Nov

The study gave baby cows either plant-based fats or animal-based fats and found that the plant-based group had more of the important fats their bodies need for cell membranes and signaling — the opposite of what the claim says.

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Similar Assertions

Human physiology is evolutionarily adapted to metabolize and utilize animal-derived saturated and monounsaturated fats as primary dietary lipids.

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75%

Human evolutionary physiology is adapted to metabolize and utilize animal-derived saturated and monounsaturated fats as primary dietary lipids.

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74%

When people started replacing butter and lard with processed oils and fats, it took a long time for scientists to notice that this change was making people more inflamed and sick with long-term diseases.

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71%

Human evolutionary adaptation is optimized for the consumption of animal-derived saturated and monounsaturated fats as primary dietary lipids.

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71%