Inhibition, resistance development, and increased antibiotic and antimicrobial resistance caused by nutraceuticals.

With the increasing use of herbal remedies by the general public worldwide, there remains a lack of information on the relationship between nutraceutical use and antibiotic resistance. Historically, there have been claims that nutraceuticals possess antibacterial and antiviral activity. However, the claims come with little or no documentation and no information related to the development of resistance to the nutraceutical or the cause of increases in resistance to antibiotics.