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.
Reusable Cold Brew Coffee Filter Pouches. 1-quart glass jar. You can go larger, just add more coffee. 1 cup of coffee beans. Be sure to grind them before adding to the pouch. #1 Grind Coffee and Add to Pouch. Add one cup of ground coffee into the cold brew pouch. Some brewing recipes say to use coarse ground and others say to use medium ground. Both work.