it's a compliment not 100% fix if you have mineral or vitamin deficiency . We take magnesium tablets or the odd 1/4 teaspoon of Epsom salts every 2 or 3 days as it can't be stored in our body . Nothing beats a balanced diet . Where they all help each other . Too much of one can limit or restrict the intake of another . Or the other way assist in absorbing other minerals etc . We often blood tested our dairy cows and race horses . There difficiancies varied . So it seems guessing ? Can make the situation worse unless blood tests are done properly .,