RS Fibre contains two forms of resistant starch (RS) type II: organic green banana flour and organic potato starch powder. RS is a type of starch that is resistant to digestion, as enzymes in the GI tract are inactive against it. Once RS reaches the large intestine, it is fermented into short chain fatty acids, which are used as fuel for both beneficial microbes and enterocytes of the GI tract.
RS Fibre benefits GI health through its ability to support microbial balance and proper intestinal permeability and integrity. Additionally, this formula may help support optimal blood sugar and insulin levels, appetite control, and cardiovascular health.
RS FIBRE™ MAY BENEFIT INDIVIDUALS WITH:
• Low fibre, low carbohydrate and/or high fat diets
• Dysbiosis; diarrhea; occasional constipation
• Intestinal permeability; malabsorption syndromes
RESISTANT STARCH BENEFITS
Microbiome effects Three ingredients in RS Fibre™—two RS and arabinogalactan—are fermentable, which confers them with prebiotic properties. RS is metabolized by colonic bacteria into short chain fatty acids (SCFA), such as propionate, butyrate, acetate and lactate.4 The fermentation of RS and other fibres results in a lowering of colon pH, which makes this environment unfavourable for many pathogens. Studies with RS supplementation have revealed that RS promotes increases in several bacterial populations (Bifidobacteria, Actinobacteria and Bacteroidetes, Ruminococcus bromii, Eubacterium rectale) while diminishing populations of detrimental pathogens (E.coli, Pseudomonas, firmicutes).2-4 An increase in bifidobacteria was shown to reduce endotoxemia caused by lipopolysaccharides (LPS). Absorption of LPS, derived from the membranes of gram-negative bacteria, was found to interfere with insulin sensitivity by increasing inflammation. Since it has been documented in rodents that high-fat diets (42% of total energy) may impair microbial fermentation, while they are often also low in carbohydrates, it makes sense to incorporate RS and/or various fermentable fibres to
support microbiome health.2 RS is composed solely of glucose molecules while other fibres contain a variety of other carbohydrates, such as galactose, galacturonic acid, fructose, mannans, arabinose, xylans and alginates. It is recommended to consume a variety of dietary fibres along with RS, because particular GI bacteria thrive more or less on certain types of fibre, so this approach would support a greater bacterial diversity.3
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