Chives have a lot of vitamins in them, so also vitamin C. Chives retain its vitamins when you use them fresh.
Did you know that chives belong to the lily-like ones? Just like onion and garlic. Chives are the tastiest when finely chopped and can be used in salads, soups, ragouts, sauces and dressings.
It is best to add the chives at the last time to garnish a dish. Because of the co-cooking, the taste disappears for a large part.