Feta and Parmesan are keto and low carb friendly despite having higher carbohydrates than other cheeses.
Whole-milk plain yogurt, like Greek yogurt, ferments most lactose into lactic acid with microorganisms.
Kefir, a thick drink created from fermented milk plus bacteria and yeast, tastes like yogurt.
Buttermilk is low in fat and abundant in carbohydrates, despite its name. It has 12 grams of carbs per cup like other milks.
Naturally, sweetened yogurts include 20+ grams of carbs every 170-gram (¾ cup) serving.