Nestle Cocoa Powder, a natural, unsweetened cocoa powder, comes from the cocoa beans of the Theobroma cacao plant. Cocoa solids removed from the cocoa butter portion of the beans are processed into a fine unsweetened, bitter-tasting powder.

Casein is a milk protein present in cow's milk products and can be problematic if you have casein-milk protein allergy. This condition is often confused with lactose intolerance because they share some symptoms and both are triggered by dairy consumption.

Although cow's milk dominates in the U.S., goat's milk is actually the world's preferred milk. It's noted for its sweet taste and somewhat salty undertone. When consumed, it's usually in whole milk or evaporated milk form, but can also be eaten as a cheese.

Acidophilus milk is regular milk enriched with acidophilus, a strain of healthy bacteria. This probiotic naturally lives in your digestive tract as well as your genital region, and supplementing your diet with acidophilus milk could have therapeutic benefits.

A food is considered a good source of protein if it contains some or all of the nine essential amino acids that must come from the diet for the body to make the more than 10,000 different types of new proteins necessary for normal growth and maintenance.

Birth control options while breastfeeding are limited. Many of the hormones required in birth control are transferred to breast milk. Of these hormones, those that are safe during lactation may have an affect on your breast milk supply.

Although its name implies that it is high in fat, buttermilk contains no butter and is traditionally low in fat. According to the California Milk Advisory Board, the name “buttermilk” stems from the original method of making buttermilk: buttermilk was the milk left over after churning butter.