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:
Low Vitamin D Levels. Vitamin D helps the body absorb calcium, which is essential for good bone health. Vitamin D also helps the immune, muscle, and nervous systems function properly. Most vitamin D is made when an inactive form of the nutrient is activated in your skin when it's exposed to sunlight.