With the continuous improvement of sports competitive level, athletes need to constantly challenge their physical limits and endure ultra-high-load training in daily practice to pursue excellent results. In this process, the body is often in a state of rapid water loss, massive protein decomposition, and accelerated electrolyte loss. Therefore, scientific and reasonable dietary nutrition has become the core material basis for maintaining athletes’ health and ensuring training quality.​

Muscle strength is the fundamental support for sports performance, and protein, as the main component of muscle, is the key raw material for muscle repair and growth. However, there are problems such as low absorption efficiency and easy accompanying intake of excessive lipids when obtaining protein through daily diet. Against this background, the research and application of protein nutritional supplements have provided important support for athletes to efficiently supplement protein and improve sports performance. Among them, plant protein, with its unique advantages, is becoming a research hotspot in the field of sports nutrition.​

1. Plant-Based Proteins: The New Green and Efficient Nutritional Powerhouse

Plant-based proteins, with their natural, healthy, and highly adaptable characteristics, are playing an increasingly vital role in athlete nutrition supplementation, becoming the preferred protein source for many athletes.

Legume proteins exemplify high-quality plant proteins, rich in lysine. While relatively lower in sulfur-containing amino acids like methionine and tryptophan, they offer substantial overall nutritional value. Take tofu, for instance: it contains up to 16.2% protein with an optimal fat content, making it a natural, premium protein source. Building on this foundation, soy peptide sports supplements are developed using purified soy protein powder or fermented soybean residue as raw materials. Through complex enzymatic hydrolysis technology, large protein molecules are converted into smaller peptides. This process not only effectively eliminates the inherent beany odor of soybeans, significantly improving palatability, but also addresses the issues of poor stability and difficult absorption in soy protein, enabling athletes to absorb protein more efficiently.

2. Core Benefits of Plant-Based Protein Nutrition for Athletes

Leveraging their unique nutritional composition and high digestibility, plant-based protein supplements enhance athletes’ physical condition and performance across multiple dimensions, providing robust support for breaking through physical limitations.

(1) Efficient Muscle Building and Strengthening Athletic Foundations

Protein is the core building block of muscle. High-quality plant-based protein supplements provide athletes with ample, premium raw materials for muscle growth, effectively increasing muscle mass and strength to lay a solid foundation for high-intensity training and competitive performance.

(2) Fatigue Relief and Endurance Enhancement

Exercise-induced fatigue is closely linked to free radical accumulation and elevated serum urea nitrogen levels. Plant-based protein nutrition products effectively alleviate fatigue by scavenging free radicals and regulating metabolic indicators, thereby extending exercise tolerance duration.

Components like soy peptides and walnut peptides in plant proteins possess potent free radical scavenging capabilities. They reduce cellular damage caused by free radicals during exercise, delaying the onset of fatigue. Additionally, the branched-chain amino acids in plant proteins play a crucial role in fatigue relief by minimizing free radical production and lowering the sensitivity of central fatigue nerves. This helps athletes maintain focus and athletic performance during prolonged training or competitions.

(3) Boosting Immunity to Fortify Health Defenses

High-intensity training often compromises athletes’ immunity, increasing susceptibility to illness. Plant-based protein supplements provide immune-related substances that bolster immune function, safeguarding training safety. Future research will further explore the immune-modulating effects of additional plant proteins like soy peptides and walnut peptides, offering athletes more comprehensive health protection and reducing training interruptions caused by weakened immunity.

Currently, sports nutrition product development exhibits three major trends: First, the target audience is expanding from professional athletes to the general public, with plant-based proteins gaining wider acceptance due to their green and healthy characteristics. Second, nutritional supplementation is shifting from single-ingredient products to balanced combinations of multiple nutrients, often pairing plant proteins with vitamins and minerals to create more comprehensive nutritional solutions. Third, processing philosophies are evolving from simple purification toward prioritizing product quality, safety, and taste. For instance, improved enzymatic hydrolysis techniques enhance the palatability and stability of plant protein peptides.

Overall, plant-based protein nutrition products offer powerful support for athletes pushing physical limits through multiple benefits—including efficient muscle building, fatigue reduction, and immune enhancement. Their development and application will continue driving the sports nutrition field toward greener, more efficient, and more precise directions.