Do you drain beans after cooking? And if I do will nutrients be lost?

[MaximilianKohler]

Yeah I know, I soak them overnight and change the water once or twice, but after I cook them I don't want to eat them with all the extra water/soup left over. I'm wondering if I drain that water after cooking will I lose significant nutrients? I couldn't find anywhere on google talking about draining post-cooked bean water.