Dark Beer to increase supply ?

I keep hearing that dark beer will increase milk supply. My question is how much should I drink? Also do I need to pump and dump after I drink it? Any response will help tremendously. My milk supply is low and I'm desperate for advice. I have been drinking a ton of water and today I started pumping like every two to three hours. Also I'm taking about 4-5 fenugreek pills a day but seems like I'm not getting much milk as I would like. Help please!!!