There are many ways in which to boost your immune system; from eating nourishing foods to taking herbs and supplements to getting enough sleep and more.Here in the northeast winter is upon us.  We spend little time outside and if we do we’re bundled up and barely receive any Vitamin D from the sun’s rays (and with the angle of the sun in the sky now, even if you exposed your skin you wouldn't absorb much Vitamin D now anyway). A few suggestions to boost your immune system so you can stay away from the cold/flu even if it’s right in front of you.