Whey off the mark: science backs a big protein shake-up

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Whey off the mark: science backs a big protein shake-up

A huge proportion of whey protein products are not delivering what it says on the packet, scientists say

Consumer journalist

Almost 70% of the whey protein products being sold in SA contain protein amounts markedly different from that declared on the labels, a newly published scientific paper has revealed.

The study was conducted by University of Pretoria academics Hettie Schönfeld, Nicolette Hall and Beulah Pretorius, all of whom have PhDs in nutrition. It was published in the October edition of the Journal of Food Composition and Analysis.

Their most concerning finding was that of the 15 samples tested for protein – amino acid – content, one in four contained amounts that differed by more than 25% of that stated on the product label...

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