Tablets Diet

Are multivitamins and mineral tablets safe to take with a healthy diet?
l bought some Wilko brand multivitamin and mineral tablets to take once a day and it says to eat with a meal. l eat relatively healthy but l also have them days where l eat whatever l want. l want to take vitamins just to give it a bit of a boost along with the rest of my healthy eating days. ls this healthy to do? l’m 17.
Thanks x
We had a family physician in our society medicine class and he noted that vitamins are carcinogenic in some respect, and he recommended to the canadian health agency to do something about them. Also, when I asked him about it, he asserted that vitamins are only useful from its natural resources. (:
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