Information Reviews Ask Dr. Dan Product Description Douglas Laboratories SelenoMethionine supports antioxidant health, immune system and healthy blood flow. Recommended Use: Take 1 capsule daily or as directed by a healthcare professional. Label Information Gluten Free Douglas Laboratories Selenomethionine Facts: 1 vegetarian capsule contains: Selenium (as selenomethionine) 200 mcg Other Ingredients: Microcrystalline cellulose, hydroxypropyl methylcellulose (capsule), ascorbyl palmitate.