Coenzyme Q10 200 mg from Webber Naturals is an antioxidant that supports a healthy heart.* The body produces coenzyme Q10 (CoQ10), also called ubiquinone, but natural CoQ10 synthesis declines with age and with certain health conditions. This one-per-day formula provides 200 mg of naturally sourced CoQ10 per easy-to-swallow softgel.