Wiktionary(1.00 / 1 vote)Rate this definition: quantity(Noun) A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items. You have to choose between quantity and quality.
When the body is making and using ketones we say that the body is in a state of ketosis. Ketosis begins after about 48 hours (2 days) or water fast for women, or about 72 hours (3 days) of water fast for men.
If you're trying to prevent ketosis but still follow a low-carb diet, aim for between the 50 to 80 grams Sisson says is the initiation point of ketosis and the minimum recommended carb intake set by the IoM.Again, your individual carb intake needs for weight loss depend mostly on your weight and activity level.ne of these is ketosis -- a state in which levels of compounds called ketones increase in your body. Ketosis can have undesirable side effects, so you should know how many carbs you need to eat to prevent it from occurring.