Are you flushing your money down the toilet (literally) when you take a multivitamin? A common criticism of multivitamins is that the body doesn’t absorb the nutrients and immediately passes them from your system via neon-colored urine. Yes, certain vitamins in higher doses change the color of your pee, but that’s just chemistry. It’s not a sign of poor (or no) absorption.
Read more: https://www.mindbodygreen.com/articles/do-you-really-just-pee-out-nutrients-from-mulitvitamin