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The gut microbiome has been implicated in various metabolic and neurocognitive disorders and is heavily influenced by dietary factors. However, there is a paucity of research on the effects of added sugars on the gut microbiome.
In Experimental study, with aim was to determine how added-sugar consumption during the juvenile and adolescent phase of development affects the gut microbiome.
During the study, the animals were given access to 1 of 3 different carbohydrate solutions: 1) 35% fructose:65% glucose, 2) 50% fructose:50% glucose, 3) 65% fructose:35% glucose, and 4) control (no sugar).
Energy intake, weight change, and adiposity index were analyzed in relation to sugar consumption and the microbiota. Sugar consumption altered the gut microbiome independently of anthropometric measures and caloric intake.
At the genus level, Prevotella and Lachnospiraceae incertae sedis were reduced, whereas Bacteroides, Alistipes, Lactobacillus, Clostridium sensu stricto, Bifidobacteriaceae and Parasutterella were elevated by sugar consumption.
Ref: Noble EE, Hsu TM, Jones RB, Fodor AA, Goran MI, Kanoski SE. Early-Life Sugar Consumption Affects the Rat Microbiome Independently of Obesity. J Nutr. 2017;147(1):20-28.
Study involving Whey Protein and Sodium Caseinate supplementation concluded that these have al effects, besides being excellent macronutrients.
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