Assertion: egg yolk's choline | /r/HasProperty | vitamin a
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text: Eggs are also rich in nutrients including biotin (which helps you convert food into usable energy), choline (an essential micronutrient involved in metabolism, among other functions), vitamin A (important for the immune system) and lutein and zeaxanthin (antioxidants that help protect your body from free radicals), says registered dietitian Ryan Maciel.