Book excerpt: Sustained Energy for Enhanced Human Functions and Activity addresses the basic mechanistic aspects of energy metabolisms, the chemistry, biochemistry and pharmacology of a variety of botanical ingredients, micronutrients, antioxidants, amino acids, selected complexes, and other nutracueticals which have demonstrated a boost in and the sustainability of functional energy. The role of exercise and physical activity is also discussed, and the conclusion addresses paradigm shifts in the field and envisions the future. Intended for researchers and industry professionals, the book is as an essential reference on the impact of proper nutrient balance on sustained energy. - Serves as a comprehensive reference on natural products that can boost and sustain energy - Encompasses information on diverse energy ingredients and their potential role in optimal health and sustained energy - Conceptualizes the key features in diverse nutraceuticals that can boost sustained energy and well-being - Presents the intricate mechanistic aspects and balance between optimal and sustained energy - Addresses the pathophysiology and mechanistic insight of diverse nutraceuticals and functional foods that can help in maintaining optimal health and sustain functional energy