Dwayne Johnson has revealed that he undertook a herculean eating regime named '12 Labours' diet to get in the perfect 'big and mean' look for his upcoming film 'Hercules'.

According to News.com.au, the 42-year-old former wrestler posted a picture on Instagram of his 22-week diet which he followed to get the demigod look.

The diet consisted of measured amounts of protein rich dishes like egg whites, filet mignon, chicken, fish, oatmeal, broccoli, asparagus, a baked potato, cream of rice, and salad.

The sturdy actor revealed that the amount and intensity of training was also up since he got only one shot to play the character of Zeus's son.