? ??? needed in relatively large quantities major mineral ??? ??? ??? major mineral, trace elements types of minerals ??? ??? ??? inorganic substances essential for body function, origin: soil->plant-> animal minerals ??? ??? ??? C, Coenzyme water soluble, collagen production A.A metabolism, steroid synthesis ascorbic acid ??? ??? ??? NAD ( electron transport) ^ co enzyme I, water soluble Niacin ?