Antioxidant Protection. Coenzyme Q10 is a crucial component in the cellular energy production cycle. Research indicates that supplementation with this nutrient may support normal heart function provide antioxidant protection and maintain the health of the gums. CoQ10 also aids the liver and brain. Source Naturals' highly stable vegetarian softgels are made from carrageenan a natural polysaccharide obtained from edible red seaweed.