Myristica fragrans (of the family Myristicaceae) is a plant which bears seeds, and said seeds are ground into a powder and commonly referred to as Nutmeg. The tree which bears these seeds grows up to 10-20m tall and is indigenous to India, Indonesia, and Srilanka.
Nutmeg is found to have health benefits, including its ability to relieve pain, soothe indigestion, strengthen cognitive function, detoxify the body, boost skin health, alleviate oral conditions, reduce insomnia, increase immune system function, and prevent leukemia, and improve blood circulation.
Large dosage (30 grams which is about 6 tablespoons a day) of nutmeg can be toxic, producing disorientation, double vision and convulsions, but these side effect will not be produced even with generous amount in culinary usage. During pregnancy and breast-feeding, Nutmeg is unsafe in doses larger than amounts found in foods. In pregnant women, they may cause miscarriages or birth defects.