It is also rich in vitamins B and C, and it is lower in saturated fat. However it also tastes a little saltier. Some research has suggested that it also contains antibodies that can help fight cancer, AIDS, and hepatitis C.
For these reasons, there has been a push to try to market camels' milk in Western Europe. There are a few setbacks that make this a tough sell though. The majority of camel producers are nomads. It's also more expensive to produce than cows' milk, and so far they haven't figured out how to treat it so that it doesn't spoil as quickly.
For more about camel milk, read this news story.