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.
Cut Carbs to Reach Keto. The fastest way to reach ketosis using your diet is by limiting carbs to 20% of total calories per day, but some low carbers eat ver y low amounts of carbs â less than 5%. How to Eat Carbs for Keto. Choose the lowest carb fruits and the lowest carb veggies. Cover them with healthy fats.