18 Questions About The Sirtfood Diet: Lose Weight Like Adele

18. Can I end phase 1 earlier? 

Seven days were tested in the studies and proved to be effective. However, if, for whatever reason, you need to shorten this phase by one or two days, that’s not a big problem either. Don’t worry. You will still get the lion’s share of the beneficial effects even with a duration of only five to six days.