How can FOS help to increase the absorption of nutrients? FOS acts as a pre-biotic nutrient to bifidobacteria and lactobacillus located in the large intestine. The ''good bacteria'' help maintain and stabilize intestinal flora. FOS has been studied for its potential ability to support digestive enzymes in the digestive tract leading to better absorption of nutrients. Natural Sport uses a 99% pure creatine.Other products from HerbsPro