Everyone’s discovering women. Quaker Oats for Women, General Mills’ Harmony and Kellogg’s Special K-Plus help women get off to a healthy start. Kraft/Balance Bar’s Luna Bar, the Cliff Bar for Women and Leiner’s Rhapsody bar offer women healthy graband- go solutions. Mead Johnson’s Viactiv™ calcium chews and energy-enhancing foods for women are cutting into supplement sales while Jenny Craig’s diet bar soars mainstream and dozens of marketers target beverages, bars, breads, and cereals to America…