Generally, there are no limits to Lactaid pills. A person can take them as needed when they eat dairy. According to the manufacturer, a Lactaid pill will typically work for between 30–45 minutes.
A new class of high-powered, slickly branded lactose intolerance treatments is targeting consumers. But do they actually work? Tony Cenicola/The New York TimesCredit... Supported by By T.M. Brown When ...