By Janelle Burnett The science of human nutritional needs subscribes to daily vitamins listed in U. S. Recommended Dietary Allowances, for adequate nutrition necessary for health. The current recommendations for vitamins, C, D, E, K, calcium, phosphorus, magnesium and manganese are up to 50% higher today than the previous values noted in a standard of Reference Daily Intake. Vitamins made in USA safely bridge the gap, when diet alone, fails. The human fetus require essential nutrients, from the moment of conception, for development. Parental...