Best Answer: Right now, according to the dictionary, it's still two. Though it could change with the common usage to either hyphenate time-frame or to put it all in one word.
Under 50 grams of carbs a day will eventually get you to ketosis. Depending on the person and level of activity, it could take 2-3 days or up to a week before the bodyâs glycogen is depleted.nder 50 grams of carbs a day will eventually get you to ketosis. Depending on the person and level of activity, it could take 2-3 days or up to a week before the bodyâs glycogen is depleted.
After 72 hours, ketosis continues as long as there is enough fat in the body. Prolonged fasting can lead to a state marked by harmful levels of ketone bodies and high levels of acidity in the blood. Ketosis usually starts after 48 hours for women and 72 hours for men. Note that ketosis is different than ketoacidosis.