Moms breastfeed. That just seems to be the way life is supposed to be, and that is nature, right? Yes, but sometimes, it isn’t all roses and love and free flowing milk supply! And we look at one method moms use to feed – the supplemental nursing system. I have always maintained that breastfeeding is incredibly difficult; immensely rewarding and wonderful once you get the hang of it; but also something that constantly plays on your mind. Supply can genuinely be an issue. Some give up trying, and opt to formula feed – mind you, there is absolutely nothing wrong with that. Some others try to mix feed – breast…