talcum powder (plural talcum powders) Perfumed talc (sometimes with the addition of boric acid) for adsorbing moisture on the skin.
Vitamin D is a fat-soluable vitamin, meaning that it builds up in your body over time rather than being filtered by your kidneys then peed out, like vitamin C. And it IS possible to overdose on vitamin D. One of the symptoms of Vitamin D overdose is muscular weakness and fatigue. You might want to check this website:
Vitamin D, an essential nutrient, plays a role in the production or biological activity of select hormones, and might therefore play a role in some types of hormone imbalances. Vitamin D in your body interacts with, and has an effect on the secretion of, hormones from your parathyroid glands. vitamin D deficiency can lead to the abnormal release of parathyroid hormone: since, in the absence of vitamin D, your body does not respond to parathyroid hormone, your hormone gland begins to produce very large amounts of the hormone to compensate.