Does mucinex actually help?

Sam • Momma to 2 girls Brooklyn 2/20/16 💜 London 7/10/17 💜 Rainbow baby due October 8th 2021 🌈💗😭 Angel babies 5/2020 & 1/2015👼🏻👼🏻

Is there anyone who absolutely swears by this? Already taking prenatal pills in hopes that helps. Anything else that anyone believes works?