Doctor's Best Ubiquinol with Kaneka Ubiquinol features the leading ubiquinol on the market from Kaneka QH. The reduced form of coenzyme Q10 (CoQ10) is more body-ready than traditional CoQ10 supplements, so it may provide more efficient support. These 200 mg softgels are easy to take, and since natural production can decline as we age it's a great addition to your dietary supplement routine.