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.
How long does it take to enter ketosis on a water fast? According to one water fasting study, it can take up to 3 days before your body can reach full ketosis during a water fast. Because, even if you stop eating food completely, your body will still have to burn away your non-fat energy reserves first.