The program - which is described as a "partial fast" - says that followers can only eat "food grown from seed" like fruits and vegetables.
However, the actor can not consume soda, coffee, tea, or alcohol during the 21-day diet.More news: Egg beats out Kylie Jenner for most-liked Instagram photo
The "New Year Fast" began "at sunrise on January 6 and completes at sunset on January 26", though the website states that anyone who is interested in taking part can "enter into a 21 day period of extended prayer and fasting" at any time.
When pictures of the Chris Pratt dad bod made their way to the internet earlier this week, we were ecstatic. We're not sure whether this means he's shacking up with new partner Katherine Schwarzenegger, who he has inexplicably made a decision to call "chief", but he's definitely packing up to go somewhere.
The actor recently opened up about how he was struggling to stay fit during the holidays. "And I don't want to, but I'm going to do it, I'm going to start it today".More news: New software program goals to crack down on Netflix account sharing
Per People, this isn't the first diet Pratt has followed.
"Let's motivate each other", he added.
"So I'm doing this intermittent fasting thing; don't eat till noon, try to get my cardio in in the morning". Pictured: Chris Pratt accepts the Choice Summer Movie Actor award onstage during FOX's Teen Choice Awards at The Forum on August 12, 2018 in Inglewood, California. "Works pretty good and I've lost a little weight so far". But what is the Daniel Fast?More news: Pentagon was asked to draw up plans for attack on Iran