So what precisely is metabolism? “Metabolism is a flowery time period to explain the intricate pathways inside our cells and physique that in the end preserve the physique transferring and functioning,” says Tracy Lockwood Beckerman, M.S., R.D., CDN, a registered dietitian and the creator of The Higher Interval Meals Answer. “The top product of metabolism is the vitality wanted for important capabilities within the physique akin to digestion, respiration, progress, and far more.”Â