Is It Normal to Feel Nauseous After Taking a Daily Multivitamin?
1. Introduction Feeling nauseous after taking a daily multivitamin is a highly common physiological reaction, typically occurring when the supplement is ingested on an empty stomach. The concentrated minerals, particularly iron and zinc, directly irritate the gastric mucosa, triggering a rapid reflex response from the central nervous system to expel the offending substance. The sudden … Read more