There are some foods which have capacity to increase milk production and it is healthy. These are:
Onion, spring onion, Garlic, Flax seeds, Garden cress seed, Fenugreek seeds, Egg, Milk and milk products, Dry fruits and nuts,Dark green leafy vegetables,Carrot , beetroot,barley,Turmeric,Green papaya,sesame seeds. There is no foods which to reduce the milk production.