Sadly, the same is true of most, if not nearly ALL vitamins. Just look at the ingredient labels: reaction salt after reaction salt, ad nauseam. Sure, not ALL of the ingredients but a large portion. I personally consider most multivitamins to be ways to sell industrial waste as “health” products (ofc an exaggeration, mind you ^^’). The fact remains, however, that most multivitamins provide little to no measurable benefit =x .
Additionally, if you take excess water-soluble vitamins, you just piss em’ right back out. In the case of vitamin C, this has even been linked to kidney stones. Fat soluble vitamins, on the other hand, simply don’t absorb very well without the presence of food, and some can even build up in body tissues to toxic levels (vitamins A & K come to mind).
Another issue is that even those that absorb, don’t do it in the ways most people think:
More info:
https://www.caltonnutrition.com/5-reasons-your-body-isnt-absorbing-vitamins/
