Most farmers are adding selenium , copper, zinc and iodine to their water supply.
Meat is also a decent source of nutrients such as vitamin A, vitamin B12, folate, selenium and zinc.
Vegan diets can be low in iodine and selenium , but this depends on the soil in which the plants are grown.
There is no homeostatic control mechanism for selenium absorption and selenium is highly absorbable.
The Pasminco operation produces lead, zinc, cadmium, selenium , copper sulphate and sulphuric acid.
Many studies have shown that supplemental selenium has cancer-preventive properties.
In an associated consideration, mercury in the body tends to quell or cripple selenium in enzymes.
Lead, selenium , tellurium and sulfur are added to copper alloys to improve machinability.
Sesame and sunflower seeds are rich in selenium , vitamin E, calcium and zinc.
Many species of plants have the ability to absorb metals such as zinc, selenium and nickel from the soil and to concentrate them in their tissues.