For this way I am requesting you free samples of the Calcium Ascorbate (feed grade)that your company produces. I am manufacturer of natural toothpaste with natural ingredients of course and I want to prove your product. Please, if it is possible send me it to the following address: Mr Keith Benson Trusted Manufacturing, Inc 5201 NW 108 th Ave Sunrise, Fl 33351 USA TRUSTEDMANUFACTURING.COM kbenson@mouthplus.com