LifePak Nano is a proprietary innovation in anti-aging protection with advanced bioavailability and maximum benefits. LifePak Nano is designed to be our most advanced nutritional supplement. ageLOC® Youth is a revolutionary supplement that helps revitalize your aging defense mechanisms. Nu Skin's most advanced anti-aging supplement ever, ageLOC® Youth, is designed to promote your youth span—the years you can enjoy life being more active, energetic, and healthy.