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.
1 How many carbs should I eat while on weight loss? 2  The number of carbs most people can tolerate to reach ketosis and achieve rapid weight loss without suffering from cravings or fatigue is about 50 to 100. 3  Remember, some people don't get into ketosis even when far below 50. When I'm on a protein day once a week during maintenance, should I be in ketosis? 2  You are not striving to achieve ketosis on your the weekly Protein Days during maintenance. 3  Doing a weekly Protein Day is recommended because it can help you remain focused and aware of having a specific eating plan.