This article from Parenting magazine discusses natural remedies for keeping moms cold-free during the winter, something we could all use!  It discusses supplements like echinacea, garlic, probiotics, and what the medical research says about their effectiveness.  I was also surprised to see that the evidence on zinc and vitamin C shows that they may not be as helpful as people had thought.  We've been using echinacea supplements, and so far so good . . . .