On most lists of products containing estrogen, animal products like milk and beef are at the very bottom. Milk, for example, is said to provide 1.2 micrograms of estrogen per 100 grams.
Depends on where you go to get your fix. Starbucks Cold Brew (in stores nationwide since May 2015) and Dunkin' Donuts Cold Brew (in stores nationwide since August 2016) retail for different prices. Cost: Roughly $0.20 per ounce. $3.25 for a grande (16 fluid ounces) according to Starbucks.
Either way, the water used is well below the 200Â°F, the typical temperature used to make hot-brewed or iced coffee. Because water temperature affects the extraction rate, cold-brews take much longer than hot-brewed and iced coffee. A cold brew system may take anywhere from three to 24 hours.