All ingredients, including the capsules, are 100% vegan. Our D-Chiro-Inositol does not contain any sweeteners, artificial flavors, wheat, corn, gluten, soy, milk, egg, fish, shellfish, or tree nut ingredients. Enjoy the benefits of a high-quality product without unwanted fillers or less potent ingredients. WIDELY USED FOR FERTILITY: D-Chiro-Inositol, taken with Myo-Inositol, has become the treatment of choice for many fertility-related issues. D-Chiro-Inositol helps to lower elevated blood insulin levels, which more and more research is showing to be the cause of PCOS. The daily dosage provides 50 mg of D-Chiro-Inositol, which is the standard dosage when combined with 2000 mg of Myo-Inositol.