McNeil Nutritionals, LLC is a subsidiary of Johnson & Johnson, and sells a range of products including Lactaid, Viactiv and the branded sucralose sweetener Splenda. It is based in Fort Washington, PA, USA. According to a 2012 article in The New Zealand Herald it is "the category leader in table-top sweetener in the US".
In June 2007, McNeil became involved in lawsuits with Merisant (makers of the artificial sweetener Equal). More recently, it has started producing a sweetener made with stevia and cane sugar, marketed as Sun Crystals.
In 2012 it started to sell a monk fruit-based sweetener called Nectresse.