The 10 grams of protein that most of us get from cereal and milk at breakfast, he added, is not enough to get the bodyâs muscle-building machinery working at full throttle. For that, we would need to eat about 25 to 30 grams of protein, the amount in a three-egg cheese omelet.
For example, the prefix kilo means times a thousand or one thousand of the units in question. So  kilometre means one thousand metres and kilogrammeans one thousand grams.
kilocalorie - a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food. Calorie, kilogram calorie, large calorie, nutritionist's calorie.