Milk is produced by the mammary glands in female mammals. They use milk to nourish their young children just after birth.

Humans also consume milk or its by products like butter and cheese which are good sources of essential nutrients and vitamins. 

Cow milk is considered one of the best milks and is the most widely consumed milk in the world. Indians have been consuming cow milk for the last 5000 years.

Milk produced by domesticated sheep, goat, buffalo, camel is also consumed in different parts of the world.

Milk is an emulsion of fat, protein, dissolved sugar, carbohydrate, minerals and vitamins.

Milk contains energy, fat, cholesterol, protein, calcium, Phosphorus and carbohydrate.

Milk protein is the most valuable protein because it contains all the essential amino acids. Milk also contains calcium and phosphorus and a little amount of iron. 

Milk is generally pasteurized to make it last for approximately 14 days. Pasteurization is done by raising the temperature of milk high enough to destroy the pathogenic bacteria.

Milk is good for your bones because it contains nutrients like calcium, Phosphorus, potassium, protein and Vitamin K2. All of these nutrients are essential for strong and healthy bones.

Many people are unable to digest lactose which is a sugar that is found in milk and dairy products and that is why milk is not for everyone although it has high nutritional value. But there are some alternative to cow milk like almond milk, coconut milk, cashew milk, soy milk, oat milk, rice milk which can be consumed as an alternative to cow milk because they do not contain lactose. 

In India you can find many types of packaged milk like pasteurized milk Homogenized milk whole milk skimmed milk toned milk double toned milk buffalo milk cow milk etc.