Brown and white eggs have identical nutrition. The brown shell signals the hen ate better and lived in a calmer environment, making it a marker of animal welfare rather than nutritional superiority.
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Is a brown egg healthier than a white egg? Nutritionally speaking, a brown egg is similar in nutritional value to a white egg. There's absolutely no difference. But I would still buy a brown egg, and here's why. This brown color is an indicator of how well the chicken was raised and how happy she was when she laid this egg. Hear me out. For a chicken to produce this brown coating on her egg, she has to be fed with a superior diet. That explains the cost of this egg, but that's not why I buy this egg. For a deep brown color to take to this egg, the chicken has to lay this egg in undisturbed surroundings and has to be left undisturbed right after she lays the egg, which means a pasture-raised chicken. When I see this deep brown, I know it was laid by a happy hen, and as a conscious consumer, that's the most important criteria for purchase for me. Exam time! Can you tell which hen was happier and healthier?