Dietary Supplement. Coenzyme Q10. TwinLab Mega CoQ10 (Coenzyme Q10) contains pure 100% natural Coenzyme Q10. TwinLab CoQ10 is the original brand of pure, crystalline coenzyme Q10 imported from Japan. TwinLab Mega CoQ10 Capsules are easier to swallow and assimilate and are specially formulated for enhanced bioavailability. Well tolerated by most highly allergic individuals.