Nu-Flex Maximizer with Ester-C formula is a balanced blend of joint lubricant (Glucosamine HCl), natural herbs (Yucca) and Vitamins E, C, and Beta-Carotene in a, palatable, and affordable complete product. Nu-Flex Maximizer includes ingredients that provide for joint support. After years of intensive study by both medical researchers and biochemists, clinical success has been demonstrated with the natural joint support, can help support normal joint function1