Nutrition21 has launched Lustriva, a clinically tested beauty-from-within ingredient that contains bonded arginine silicate and magnesium biotinate. Lustriva provides nutritional and structural support for hair and skin, the company says. Lustriva is GRAS certified and can be used in dietary supplement and functional food/beverage applications, RTD beverages, dry mixes, gummies, capsules, and tablets. 

500 Mamaroneck Ave., Ste. 510, Harrison, NY 10528, www.nutrition21.com