a native hydrous magnesium silicate, sometimes with a small amount of aluminum silicate; used as a dusting powder. The inhalation of talc is associated with a wide variety of respiratory disorders.
Thankfully there are certain supplements you can take which can help you fall asleep and stay asleep: 1. Vitamin D -- A deficiency in vitamin D affects your body's ability to regulate circadian rhythms (your body's clock). With your body's clock not running correctly, it's unable to signal the sleep hormones involved in making you fall asleep and wake up.
Benefits of Taking Vitamins at Night. Some people may feel nauseous when they take multivitamins or supplements containing iron. This is especially the case with women who get morning sickness during pregnancy. In this case, it may be better to take your vitamins at night when you may be able to sleep through any adverse effects, according to MedlinePlus.