Nutmeg is the seed of an evergreen tree with scientific name Myristica fragrans.  Nutmeg is a slightly sweet spice like Cinnamon and is being used for many cuisines like muffins, apple pie, puddings, eggnog, among others.
Recommended use: Asian and western recipes make use of Nutmeg.
Benefits: Nutmeg are used in alternative and herbal medicine to treat diseases.