According to the Cleveland Clinic, more than 129 million American adults take a daily vitamin. It’s generally a healthy practice, especially as grocery prices drive many Americans to squeeze as ...

Google Doodle celebrates Casimir Funk's 140th birthday, a Polish-American biochemist who discovered vitamins and essential nutrients for human health. Funk immigrated to the US, where he continued ...

Special to The American Vitamin A and beta-carotene supplements are unsafe for HIV-positive women who breastfeed because they may boost the excretion of HIV in breast milk—thereby increasing the ...