Eggs for brain and body for better

Choline is the nutrient most people have not heard of and most consistently undereat. Your body uses it to produce acetylcholine, the chemical your brain uses for muscle control, attention and memory. Eggs are the richest dietary source of choline (a nutrient your brain needs for memory and attention) by a wide margin. Two eggs provide roughly 300 milligrams, close to the adequate intake level for an adult. Running chronically low on choline (a nutrient your brain needs for memory and attention) impairs cognitive function and liver metabolism in ways that are easy to attribute to tiredness or stress but have a specific nutritional driver that is straightforward to address.

What is happening

The protein in eggs is among the most bioavailable of any food source and contains all nine essential amino acids in proportions your body can use efficiently. Leucine content is particularly relevant for muscle muscle repair. Your muscles require leucine as a trigger to initiate the repair and rebuilding process after physical exertion. Eggs deliver enough leucine per serving to activate that process meaningfully, which is why they have been studied extensively as a post-exercise recovery food.

Eggs are one of the very few foods that naturally contain vitamin D, a nutrient that is deficient in the majority of indoor workers in Northern and Central Europe. Vitamin D is involved in immune function, mood regulation, bone density and testosterone production. A large egg contains around 40 to 50 IU, which is modest but meaningful as part of a broader intake. B12, essential for nerve function and red blood cell formation, is also concentrated in eggs and absent from plant foods, making eggs a practical source for anyone not eating meat regularly.

What to do next

Lutein and zeaxanthin, the carotenoids that give egg yolks their colour, accumulate in the macula of the eye and reduce the oxidative damage from prolonged light exposure. For hospitality staff working under bright service lighting and spending time on screens before and after shifts, this is a specific and underappreciated benefit from a food that takes two minutes to prepare.

Sources: WHO healthy diet guidance, EUFIC healthy eating guidance, EFSA water guidance, WHO physical activity guidance.

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