AMS® CoQ10 400mg is the best way to increase ones CoQ10 levels. Coenzyme Q10 (CoQ10) is a vitamin-like substance found in every cell of the body. The body produces CoQ10, to be used as an energy source for cell growth and maintenance. Taking AMS® CoQ10 regularly helps protect the organism from oxidative stress and dangers that would come with it. CoQ10 supplementation is well known to support cardiovascular health. Two versions of CoQ10 supplement are offered by AMS®: 200mg and 400mg.