In the intricate choreography of existence, our bodies engage in a continuous battle to balance free radicals and antioxidants. This silent struggle is fundamental to our health, as free radicals threaten to destabilize our cells, while antioxidants stand as vital defenders, countering their impact and protecting our vitality. Delving into the science behind this molecular duel, this book unravels the implications of an imbalance favoring free radicals and its influence on oxidative stress, a condition that can accelerate aging and promote disease. It also evaluates the power of antioxidants capable of preventing this damage and promoting health, exploring the contributions of diets and their efficacy as supplements, offering an evidence-based perspective and practical advice for their incorporation into daily life. Discover how knowledge and informed choices can influence the outcome of this vital dance to favor our longevity and well-being.