Oh try drinking 1 large Gatorade before, after, during a nursing session or 1 throughout the day. Eat oatmeal. Make or buy lactation cookies (contains Brewers yeast, flaxseed which increase milk supply), almonds...
there's a vitamin called Fenugreek it helps you produce more or you can drink 2 beers it's perfectly safe to drink 2 and then feed him 1 hour later no more then 2 beers though