Swanson ® D-Chiro-Inositol Chirositol ® is a food supplement in capsules that is a source of D-chiro-inositol of natural origin. The formula was developed to complement the daily diet of adults. D-Chiro-Inositol Swanson® - properties D-chiro-inositol is a chemical compound belonging to the inositol family. The Swanson ® brand preparation uses an ingredient obtained from the extract of carob pods ( Ceratonia siliqua ). Each capsule contains 85 mg of D-chiroinositol from Chirositol ® enclosed in a gelatin shell. Chirositol ® is a registered trademark of Cyvex Nutrition, Inc. The recommended daily dose of the preparation is only 1 capsule, and a package of 60 pieces Chirositol ® D-Chiro-Inositol Swanson ® will allow 2 months of daily use.