Duck eggs contain:
. 6x vitamin D2 (as compared to a chicken egg)
. 2x vitamin A (as compared to a chicken egg)
. more omega 3 fatty acids
. vitamin A
. vitamin E
. viatmin B12
Duck eggs are also a rare alkaline food source, unlike chicken eggs which are acidic. And an acidic body can create a haven for disease. Always try and buy organic, free range eggs and if you can buy from a local farm shop or a supplier you trust. Not only will they taste richer, but you will have the peace of mind that these eggs are sourced from free roaming birds.