Plenty of actors will tell you they got jacked purely with chicken and rice and weight room workouts. But when actor @frankgrillo1, he did something else: he was fully honest bout the Frank Grillo's 'Battery Park' Deserves a Revival Frank Grillo is seen on September 13, 2022 in Los Angeles, California. News Photo Getty Images Some Hollywood actors don't like telling you what they take to get jacked. @frankgrillo1 doesn't have that problem. The man playing Rick Flag in DC's Gunnverse broke down exactly how he supplements ( Micellar Solvent Accessibility of Esterified Polyoxyethylene Chains as Crucial Element of Polysorbate Oxidation: A Density Functional Theory, Molecular Dynamics Simulation and Liquid Chromatography Mass Spectrometry Investigation Molecular Pharmaceutics Frank Grillo on Into the Ashes, Point Blank, and Avengers Endgame