Larch Tree Extract (Wellness Larchtree) 1000mg 85% Arabinogalactans 60 tabs from Source NaturalsLarchtree Wellness Larch Tree Extract Standardized to 85% Arabinogalactans Source Naturals Wellness Larchtree Extract contains arabinogalactans, which are extracted from the Western Larch tree. In vitro studies have shown that arabinogalactans enhance the function of some immune cells. Supplement Facts Serving Size: 2 tablets Amount %DV Larch Tree Extract (Larix occidentalis) 2 g Standardized to 85% Arabinogalactans Yielding 1. 7 g of Arabinogalactans