... system.160Probiotics are occasionally prescribed and used as drugs, “living drugs,” andare possibly the only example of a functional food also used as a drug. 161Probiotics must be consumed on a regular ... tomato? A broad summary of scien-tiÞc evidence suggests that the delivery of nutraceuticals in foods is morebeneÞcial than delivery in isolated form because of higher bioavailability.Yes, ... ingested as supplements,116,117 and fruit and vegetablebeverages can serve as excellent delivery systems. Other juices that may have health beneÞts include cranberry and blue-berry, which...