Here's What Registered Dietitians Really Think About Oat Milk's Nutrition Profile by Theresa Tamkins, BuzzFeed What is oat milk? Oat milk seemed to make a dramatic debut in the last year, winning hardcore fans among vegans, the allergy-prone, the lactose intolerant, and other people who don't eat dairy. Other popular nondairy alternatives include soy and almond milks, of course, as well Keep Reading >>