ANY amount of breast milk is beneficial to your little one.
Originally Posted by darleen
Disease, allergy-prevention, immunological benefits - Research has shown that the benefits of breastfeeding are generally dose-related: the more breastmilk, the greater the benefit. But even 50 ml of breastmilk per day (or less - there is little research on this) will help to keep your baby healthier than if he received none at all. In fact, the immunities in mom's milk have been shown to increase in concentration as the quantity of milk decreases.
Nutritional benefits - There are components of mother's milk which cannot be duplicated - even a small quantity of these can be invaluable to your baby.
You might find this link helpful:
Also, I know b-milk is good for years, but do you know when the benefits start to become not as important?
Breastfeeding Benefits Over Time