Garry, meanwhile, believes becoming vegan five years ago transformed his preparation. The former UFC lightweight champion has reportedly added five kilograms of muscle since moving up to 170 pounds. He moved up after successfully defending the lightweight title four times and later defeated Jack Della Maddalena to become the UFC welterweight champion.Ian Machado Garry has taken a very different route. The Irish fighter says switching to a vegan diet five years ago changed his approach to training. Makhachev’s added muscle could help him physically dominate exchanges, while Garry’s improved recovery could help him maintain his pace over five rounds.