Chris Pratt, star of Guardians of the Galaxy, is doing the "Daniel Fast," a religiously informed extreme diet that promises improved physical and spiritual health. Experts are seriously questioning whether it's safe at all.
In an Instagram video posted Friday, Pratt said, "Hi, Chris Pratt Here. Day Three of the Daniel Fast. Check it out. It's 21 days of prayer and fasting."
The fast gets its name from Daniel, the Old Testament prophet who only ate vegetables and drank water for 21 days. Pratt is limiting himself to only fruits, vegetables, plant oils, grains and nuts.
Pratt explains that the end of the 21 days is to "coincide also, coincidentally, with the Lego Movie 2 junket. So, by the time you see me, I'll probably be hallucinating. Stay tuned."
The actor's involvement has been a PR boom for the Daniel Fast. Many of his fans are following in his footsteps. Footsteps some nutritional experts say are unwise to follow.
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Dieticians claim that the diet is bereft of important nutrients, primarily protein. One dietician even claims that following the Daniel Fast regimen could lead to dangerous deficiencies.
Fasting for short stretches of time, known colloquially as intermittent fasting, has research to corroborate some of the claims made about it, that it's salutary for long term health. Long term fasting like the Daniel Fast is potentially harmful, though.