Because our farmlands are pushed to the limit in food production compared to most countries. Mother Natures minerals are being sucked form the earth at a tremendous pace and only Nitrogen, Phosphate and Potash are being replaced through fertilization. This practice provides the American people with mineral deficient foods.
Mineral deficiencies are the main cause of all sickness, disease and chronic ailment.
I am severely calcium deficient. We believe you should use a calcium source in addition to Rockland's minerals. However, many women have reported that the use of Rockland's minerals has corrected severe calcium deficiencies without the consumption of extra calcium. It's apparent that a person may not require nearly as much calcium as presumed if they utilize a daily regiment of a complete spectrum of plant derived minerals. All of these products were formulated after years of trial and error tests on thousands of patients.