If you eat a balanced diet of plants and animals, then your chances of lacking any of these minerals is very low. (healthline.com)
There is no provision to make up for lack of minerals in the soil other than the NPK (Nitrogen, Phosphorus and Potassium) chemical fertilizers which are liberally used. (calmnatural.com)
Although it is found in many foods, including dairy products, nuts, vegetables, fish, meat and seafood, deficiencies are common in America due to soil depletion, poor absorption and lack of minerals in drinking water. (westonaprice.org)