In pig milk-making cells, oleic acid turns on certain fat-handling proteins and helps make more milk fat, and this happens mostly through two specific cell receptors called GPR40 and GPR120.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Oleic acid-enriched diet improves maternal lactation performance and neonatal growth through GPR40 and GPR120 signaling pathways

Randomized Controlled Trial

Animal

2025 Dec

The study found that oleic acid, a fat found in milk, helps piglets grow better by turning on specific receptors in the mother’s mammary cells that make more fat for milk — exactly what the claim says.

Contradicting (0)

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No contradicting evidence found

Source Study

Oleic acid-enriched diet improves maternal lactation performance and neonatal growth through GPR40 and GPR120 signaling pathways

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DOI: 10.1016/j.jnutbio.2025.110062

Similar Assertions

In pig milk cells, the GPR40 receptor is more important than GPR120 for helping oleic acid make milk fat.

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87%

When scientists blocked one specific receptor (GPR40) in pig milk cells, the cells made about 38% less milk fat from oleic acid — blocking the other receptor (GPR120) had a smaller effect.

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83%