https://www.healthline.com/nutrition/white-vs-brown-eggs#section3
There is no nutritional difference between brown and white eggs. However, a hen's diet and environment can affect an egg's nutrition.
There's also no difference in yolk or taste. As for shell color: Genes determine shell color, Dr. Bui said. White-feathered chickens with white earlobes lay white eggs; red or brown ones with red earlobes lay brown eggs; and the Ameraucana breed, also known as the Eastern egg chicken, lays eggs with blue shells.
There is no nutritional difference between brown and white eggs. However, a hen's diet and environment can affect an egg's nutrition.
There's also no difference in yolk or taste. As for shell color: Genes determine shell color, Dr. Bui said. White-feathered chickens with white earlobes lay white eggs; red or brown ones with red earlobes lay brown eggs; and the Ameraucana breed, also known as the Eastern egg chicken, lays eggs with blue shells.