Healthy Origins Ubiquinol (also called Kaneka QH) is the active "Antioxidant" form of CoQ10, responsible for the powerful preventive benefits associated with CoQ10. Normally, the conversion process from CoQ10 to Ubiquinol occurs naturally in the body. Supplementing with Ubiquinol is important for individuals who may have difficulty with the natural conversion of CoQ10 to Ubiquinol. Ubiquinol supplementation is especially important for: those suffering from specific conditions, especially related to oxidative stress the middle-aged to elderly For all other adults, Healthy Origins CoQ10 remains a vital supplement for maintaining a healthy lifestyle. Kaneka QH is produced exclusively in Japan through a reduction process of CoQ10 and is 100% natural (trans-isomer).* Product reviews as follows: By Michael Czajka: "This is the reduced (active) form of Q10... which is more potent than the inactive form. As people get older they have trouble converting the inactive form to the active form... so you don't get much benefit unless you make sure you take the active form. The active form is fairly hard to get and it's usually much more expensive so it's nice to find it here at a reasonable price. Remember you can reduce the dose (compared to the inactive form) and get the same effect." From Ireland: "Bioavailability is apparently 2.5 times that of CoQ10, and it feels at least to be that - so it works out no more expensive than regular CoQ10." From Australia: "This product is simply unmatched for value anywhere in the world, and as I understand all ubiquinol currently comes from the one factory in Japan, the quality is undisputed." May 04, 2009 By Landon Nusz from Minnesota: "I can feel the additional boost in my heart. The product also seems to prevent or alleviate occasional chest pains. One 100mg capsule is a good dosage that keeps me energized for the day. It is economical when considering that one bottle will last 5 months. I wouldn't want to be without it."