Recent Examples on the WebAt the bottom of the list: 75 mg of DMAE bitartrate, which is a common ingredient in anti-aging skincare products. Kaitlyn Tiffany, Vox, 8 July 2019 In this Aug. 5, 2010 file photo, a pharmacy tech poses for a picture with hydrocodone bitartrate and acetaminophen tablets, the generic version of Vicodin in Edmond, Okla.Washington Post, 31 May 2017