Arabinogalactan Powder 300 Grams by Vital NutrientsARABINOGALACTAN POWDER is a polysaccharide produced from the bark of the Larch tree. Arabinogalactans are found throughout nature and are found in other plants with immune support activity. Larch Arabinogalactan is thought to have immune support activity by increasing the release of normal immune elements. Larch Arabinogalactan is a fibrous product which ferments in the gut. It increases gut microflora, e. g., Lactobacillus, increases short chain