(USA TODAY) — Chris Pratt is taking his health regimen to biblical proportions. Literally.

The actor, 39, updated Instagram followers on his latest diet routine: the Daniel Fast, a combination of fasting and prayer inspired by the Bible.

“Hi, Chris Pratt here. Day Three of the Daniel Fast, check it out,” Pratt said in a now-expired Instagram story video. “It’s 21 days of prayer and fasting.”

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