Feeding hens a special fat called gamma-linolenic acid (GLA) helps their bodies make more healthy fats for the egg yolk—16.7% better than another fat called linoleic acid—because GLA skips a slow step in the process.

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Pro

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Against

Evidence from Studies

Supporting (1)

15

Community contributions welcome

15

Effect of oil blends with near equal increases in 18 carbon n-3 and n-6 fatty acids on fatty acid profile of eggs

Randomized Controlled Trial

Animal

2026 Jan

The study found that feeding hens oil rich in GLA led to more healthy fats in the egg yolk than oil with LA, which supports the idea that GLA works better because it skips a slow step in the process.

Contradicting (0)

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No contradicting evidence found

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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.

Source Study

Effect of oil blends with near equal increases in 18 carbon n-3 and n-6 fatty acids on fatty acid profile of eggs

Score: 15

DOI: 10.1016/j.psj.2025.106175

Similar Assertions

Feeding hens a special fat called gamma-linolenic acid (GLA) boosts certain healthy fats in their eggs more than another fat called linoleic acid (LA), and it might skip a slow step in the process — meaning more of the good stuff ends up in the yolk.

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96%

Feeding hens a certain type of fat called stearidonic acid helps their bodies make more healthy omega-3s in egg yolks—43% better than another fat called ALA—because it’s easier for their bodies to process.

15

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80%

If you feed laying hens oil rich in a fat called SDA, their eggs end up with way more of the good omega-3 fats—like EPA, DPA, and DHA—compared to feeding them another plant-based omega-3 oil. This happens because SDA skips a slow step in the hen’s body that usually holds back omega-3 production.

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79%

Feeding laying hens a type of fat called stearidonic acid boosts a specific liver enzyme that helps make longer fatty acids more than other fats do.

15

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73%