Milk**


 * Milk-**is an opaque white liquid produced by the mammary glands of female mammals (including monotremes).

Magnesium: Mg(OH)2

Rich source of has B2, B12, calcium, and iodine; a source of protein, vitamin A, and vitamin B1. Full cream milk has 11.4 g of fat of which 63% is saturated; supplies 200 kcal (840 kJ) Skimmed milk had 0.3 g of fat; supplies 100 kcal (420 kJ) Channel Islands milk has 14.4 g of fat of which 68% is saturated; supplies 230 kcal (970 kJ).


 * [[image:Lactose_color.png width="326" height="279"]]

Health-** The composition of milk differs widely between species. Factors are the type of protein; the proportion of protein, fat, and sugar; the levels of various vitamins and minerals; and the size of the butterfat globules' and the strength of the curd are among those than can vary. For example: Aquatic mammals, such as seals and whales, produce milk that is very rich in fats and other solid nutrients when compared with land mammals' milk.
 * Human milk contains, on average, 1.1% protein, 4.2% fat, 7.0% lactose (a sugar), and supplies 72 kcal of energy per 100 grams.
 * Cow milk contains, on average, 3.4% protein, 3.6% fat, and 4.6% lactose, and supplies 66 kcal of energy per 100 grams. See also Nutritional benefits further on.