Thorne Research


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Excellent fiber source with immune-supportive effects*

  • powder allows for ease of supplementation, especially for kids
  • increases short-chain fatty acids (the fuel for the cells of the large intestine)*
  • supports the bodys normal immune response*
  • prebiotic fiber can increase beneficial bacteria in the colon for support of intestinal health*

Larch arabinogalactan, a polysaccharide powder derived from Larix occidentalis (Western larch), possesses important immune-enhancing properties and is an excellent source of fiber.* As a prebiotic, it promotes colon health by increasing butyric acid concentrations and levels of beneficial intestinal flora.* Butyric acid is a short-chain fatty acid produced in the colon by fermentation of fiber and provides the primary fuel for the cells of the colon.* High levels of butyrate in the colon help provide a healthy colonic environment.*

Its mild taste and excellent solubility in water or juice make Arabinex relatively easy to supplement for both children and adults.