Other foods such as herbal substances may be added to formulated caffeinated beverages unless this is proscribed elsewhere in the Australia New Zealand Food Standards Code. (legislation.gov.au)
Food and Drug Administration (FDA) Commissioner Dr. Scott Gottlieb isn't mincing words about kratom, the increasingly popular herbal substance that's been hawked as an alternative to painkillers and anti-depressants by companies promoting its ostensible curative properties (and supposedly innate safety as a «natural,» plant - based product). (fortune.com)
Cordyceps is one of the primary herbal substances used in tonic herbalism. (amazon.com)