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.
In response to the post above me, I've never entered Ketosis 'after a couple of hours'. Generally it takes me 2-3 days depending on if I exercise as well. Mind you, the length of time is also dependent on how much glycogen you have in your liver (stored sugar) as this needs to be burnt/used/stored first.