Evaluation of the Impact of the Consumption of Plant-derived Protein Supplements Compared to Animal-derived Proteins

Plain-language summary

The goal of the study is to evaluate how the consumption of plant-based protein supplements compares to animal-based protein supplements in terms of their effects on metabolic state and body composition in individuals who engage in physical activity. The increasing awareness of the health advantages of plant-based foods and the rising number of health-conscious consumers are driving the demand for plant-based supplements. Furthermore, there is a tendency for consumers to favor vegetable proteins over animal proteins. The effect of total protein intake and its various sources on gains in lean body mass and strength in response to resistance training has been extensively studied. However, most research has focused on comparing soy protein preparations to animal-derived preparations, primarily whey protein and casein. Studies suggest that whey protein, which has a higher leucine content, may stimulate muscle protein synthesis more effectively than soy and casein. It is unclear to what extent the type of protein supplement affects strength and lean body mass in studies lasting six weeks or longer. Pea and rice proteins may be suitable replacements for highly allergenic soy protein. Consequently, there is a need for research to assess the impact of these products on human metabolic state and overall health and well-being.

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