Walt Hickey from the website FiveThirtyEight, it adds up to 2.3 pounds of cod and 12 eggs, plus a hefty portion of steak and chicken.
Johnson eats roughly 1,000 calories worth of cod each day alone and spends around $1,400 a year on the fish, if he buys in bulk.
A man's suggested daily intake for all foods is roughly 2,500.
Sean Evans, who works for Complex magazine, tried the mountainous diet out for himself.
For one day he managed six of the seven meals, interspersed with gym sessions.
It wasn't easy for Evans, who admitted early on that he hated fish.
In a feature for the magazine, he said: "Ultimately, I failed to complete The Rock Challenge, but quite frankly it was fool's errand from the jump.
"I still wear size 30 jeans like I'm a sophomore in high school. Dwayne Johnson, on the other hand, weighs close to 300 pounds and has a body that burns fuel like a furnace.
"Yet, for whatever reason (probably to make me puke on Internet TV), we didn't compromise the diet a single calorie.
"I walk away with a newfound respect for Johnson. He's an athlete-turned-professional wrestling icon-turned box office draw, and, at 43 years old, still wakes up at 4 a.m. so he can mainline sweet potatoes and flip monster truck tires.
"That sort of career path doesn't happen unless you have something freakish driving you."
Meals of a champion: The Rock's daily diet
Meal 1
- 10 oz cod, 2 whole eggs, 2 cups oatmeal
Meal 2
- 8 oz cod, 12 oz sweet potato, 1 cup veggies
Meal 3
- 8 oz chicken, 2 cups white rice, 1 cup veggies
Meal 4
- 8 oz cod, 2 cups rice, 1 cup veggies, 1 tbsp fish oil
Meal 5
- 8 oz steak, 12 oz baked potato, spinach salad
Meal 6
- 10 oz cod, 2 cups rice, salad
Meal 7
- 30 grams casein protein, 10 egg-white omelet, 1 cup veggies (onions, peppers, mushrooms), 1 tbsp omega-3 fish oil
- Daily Mail
