More and more people care using zinc if you go to a smaller store that not as many people use you probably will find zinc
Honestly speaking I dont have much idea about that
I don't really know 😕Sorry
I honestly dont know
Zinc is used for the vitamin c to boost the immune system in general but you don't need very much in your diet every other day is sufficient
Samsung towers
Is all I know is it helps congestion, and keeps my lungs clear👍
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