It modifies the standard low-carb diet, spotlighting healthy eating selections and flexible macronutrient ratios. Learn how it enhances metabolic flexibility, the ideal foods, and strategies for optimal health and energy efficiency The Met Flex Diet: Burn Better Fuel, Burn More Fat [Smith, Ian K.] on *FREE* shipping on qualifying offers In The Met Flex Diet, he offers a one-of-a-kind plan to improve metabolic flexibility through changing the types and quantities of food/beverages consumed, as we