Ways to get Into Ketosis in 24 Hrs In order to get into ketosis during the shortest time achievable, you must fast. Having said that, it's not the only solution. You can find other approaches to induce ketosis, which include getting an MCT oil or coconut oil nutritional supplement. https://www.sciencetimes.com/articles/40377/20221007/how-to-get-into-ketosis-in-24-hours.htm