This chapter provides a comprehensive overview of the multifaceted nature of consumer acceptance of plant-based protein alternatives. From nutritional and environmental considerations to sensory attributes, social influences, and decision-making processes, each aspect contributes to understanding how consumers interact with and perceive plant protein products in the marketplace. Understanding the factors influencing consumer perceptions, preferences, and purchase decisions regarding plant protein alternatives is essential for food manufacturers, policymakers, and researchers. By delving into the intricacies of consumer behavior and preferences, we can describe product development, marketing strategies, and policy interventions that advance the transition toward more sustainable and equitable food systems. Furthermore, it scrutinizes the health considerations underpinning consumer dietary preferences and their perception of nutritional benefits associated with plant protein products. This section underscores the significance of health consciousness and nutritional awareness in driving consumer demand for healthier alternatives.