takeTake a look @at Livestrong, which has the five-meals-a-day limitation and percentages of pprotein/ccarbohydrates/ffats (although not the same). thereThere are also some references listed in that article that may be of use.
whileWhile not asked, the main issue with this claim (and patent) will be 101 eligibility. it'sIt's almost certainly not patentable under this ground.