Omega-6 Fats

Linoleic acid

What does Omega-6 Fats do in your body?

An essential polyunsaturated fat found in vegetable oils, nuts and seeds. Despite online claims, replacing saturated fat with it is linked to lower heart risk.

What does Omega-6 Fats do?

Part of cell membranes and the precursor to signaling molecules. Essential — the body can't make linoleic acid.

Which foods contain Omega-6 Fats?

Sunflower, soybean, corn and safflower oils; walnuts; seeds.

How much Omega-6 Fats do adults need?

Adequate Intake: 17 g/day (men 19–50), 12 g/day (women 19–50).

What is known and unknown about Omega-6 Fats?

The 'seed oils are toxic' claim isn't supported by the human evidence; the omega-6:omega-3 ratio idea is debated.

Evidence & sources

• Higher linoleic acid intake is associated with lower coronary heart disease risk, especially when replacing saturated fat or carbohydrate. Evidence: moderate. Known: Meta-analysis of prospective cohorts. Unknown: Observational. Source: Farvid et al., Circulation, Dietary linoleic acid and risk of coronary heart disease (2014).

Connected topics

• Fat
• Omega-3 Fats
• Walnuts
• Saturated Fat
• Inflammation
• Natural ≠ Safe, Synthetic ≠ Harmful

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General education only, not medical advice. Drafted Oct 2026 · pending qualified expert review.