Mannatech has sponsored pre-clinical and clinical research on their products.[18] The company states that these studies indicate that the products can be broken down into smaller, absorbable fragments by GI tract bacteria[19] and can modify human serum glycosylation profiles.[20] Additional studies sponsored by the company have indicated that the products also exert positive prebiotic effects [21] and induce positive effects on human brain wave activity, cognition,[22] mood, and memory.[23][24]
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