In Power of Vitamin D, Dr. Sarfraz Zaidi provides readers all they need to find out their serum vitamin D level and to supplement safely and effectively.
Today’s food grown “conventionally” in nutrient-poor soil is lacking many nutrients essential to human health. Lack of diversity in the diet, illnesses and medications may cause nutritional imbalances.
Though supplementation of vitamins, minerals and other co-factors can improve health, and may be warranted for some people and conditions, nutrition is best acquired through a healthy diet.
This section discusses various supplements and when their use is warranted.