Milk has been known as "Mother Nature's most perfect food" for hundreds of decades. This attribution is due to its ability to sustain human life by drinking milk alone. Consumption of a single glass of milk every day is enough for promoting cardiovascular health, reducing symptoms of the metabolic syndrome in obese individuals and promotes weight loss while maintaining body muscle mass and reduces incidence of some carcinogenic diseases. The Food and Agricultural Organization (FAO) of the United Nations has declared June 1 as the “World Milk Day” in the year of 2001 aiming to recognize the importance of milk as a global food, as well as to celebrate the dairy sector. The study published in “Frontier in Immunology (Volume 9, article 143) in 2018 revealed that Cow’s milk has immunoglobulin (IgG) which is helpful against the bacteria, virus and allergens (upper respiratory tract). The IgG is enhanced with vitamin A and D3-both are present in milk.