D-Zine Supplement Side Effects, Review, Good or Bad? Is D-Zine supplement good or bad? What are its side effects? Is it approved by the Food and Drug Administration or FDA?
The first thing you should know when it comes to D-Zine is that although it is being marketed as a dietary supplement, it is actually not a dietary supplement.
To be considered a dietary supplement, a product must contain a dietary ingredient which is defined as “as a vitamin; mineral; amino acid; herb or other botanical; dietary substance for use by man to supplement the diet by increasing the total dietary intake”.