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Macronutrients – Lipids

Omega-9

A monounsaturated fat that your body can produce, abundant in olive oil and associated with Mediterranean diet health benefits.

Definition

Omega-9 is a family of monounsaturated fatty acids with the first double bond located nine carbons from the methyl end, not essential because the body can synthesize it.

How it works

Omega-9 fatty acids, primarily oleic acid, are monounsaturated fats with the first double bond at the ninth carbon position. Unlike omega-3 and omega-6 fatty acids, omega-9 is not essential because your body can synthesize it from other fatty acids. However, dietary omega-9 sources like olive oil provide significant health benefits beyond the fat itself, including polyphenols with anti-inflammatory properties. Oleic acid is particularly abundant in olive oil and is credited with many benefits of the Mediterranean diet. While your body can make omega-9, obtaining it from food sources provides additional bioactive compounds that enhance health.

Role

Omega-9 fatty acids support cardiovascular health, improve cholesterol profiles, and reduce inflammation.

Examples

  • Olive oil
  • Avocado
  • Macadamia nuts
  • Almonds
  • Sesame oil
  • Peanut oil
  • High-oleic sunflower oil

Recommendations

Use olive oil as your primary cooking oil for maximum omega-9 and polyphenol benefits. Include avocados and macadamia nuts regularly for omega-9 and other nutrients. Aim for 2-3 tablespoons of olive oil daily.

Key takeaway

Omega-9 is a non-essential but highly beneficial fat abundant in olive oil and foundational to the healthy Mediterranean diet.

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