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Another study involving female subjects found that copper peptide was more effective than vitamin C and retinoic acid in increasing collagen and reducing fine lines and wrinkles in the skin [13]

2 Dr Nishikawa noted his dissent from the conclusions reached by the group with regard to these studies and considered that it is impossible to evaluate them, partly because of lack of complete histopathological examination and partly because of unusual growth curves

Un-denatured whey protein has been shown to be a potent inducer of glutathione, thereby reducing cellular damage and improving intracellular function [38]

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