Effects of plant-based protein supplementation on hypertrophy in healthy males and females who practice resistance training: a systematic review

Authors

DOI:

https://doi.org/10.47197/retos.v81.117266

Keywords:

Exercise performance, healthy adults, muscle mass, plant-based protein, vegetarian diet

Abstract

Introduction: In recent years, the use of plant-based diets among those who participate in resistance exercise has increased. There is little evidence that the protein requirements of vegan/vegetarian exercisers are different from those of omnivores. Vegans/vegetarians who exercise must carefully plan their diets to ensure adequate intake of essential amino acids for adequate muscle protein synthesis. This systematic review aimed to analyze the effects of plant protein isolate supplementation on skeletal muscle hypertrophy in healthy males and females engaged in resistance training.

Methods: The review used five databases and followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Quality assessment of the reporting was performed using the CONSORT 2010 checklist. The risk of bias was assessed using the Cochrane Handbook and the ROBINS-I checklists.

Results: Initially, 1508 articles were identified. After removing duplicates (504) and reviewing titles and abstracts (1004), thirteen articles were analyzed after reading the full text. The studies varied in intervention time, training levels, use of control groups, and leucine dose standardization. Most studies used soy protein supplementation in the interventions with different daily doses. This review showed that Plant-Based Protein Supplementation, compared with whey protein or leucine consumption, in trained or untrained healthy males and females yielded similar improvements in lean mass, muscle thickness, and strength.

Conclusion: Our systematic review found that plant-based protein supplementation appears to be as effective as animal-based protein supplementation increasing lean mass, muscle thickness, and strength in healthy individuals who undergo resistance training.

Author Biographies

  • Renata Labronici Bertin, Federal University of Parana

    Nutritionist graduated from the Pontifical Catholic University of Paraná (2004). Master’s degree in Nutrition from the Federal University of Santa Catarina (2006). PhD in Food Science from the Federal University of Santa Catarina (2014). Specialist in Sports Nutrition (2018). During her master’s, she worked on the conceptions and practices of nutritionists in the hospital setting. During her PhD, she studied bioactive compounds in foods. Currently, she is an adjunct professor in the Department of Nutrition at the Federal University of Paraná (UFPR), where she teaches subjects related to basic nutrition, biochemistry and food analysis, sports nutrition, and outpatient practice for sports performance. She conducts research focused on sports nutrition with high-performance young athletes (ages 9 to 18) in basketball, volleyball, fencing, and swimming. She also works with endurance athletes. Coordinator of the Academic League of Sports Nutrition – LANE UFPR.

  • Anabelle Retondario

    Adjunct Professor in the Department of Nutrition at UFPR since 2020. She was a temporary military professional at the Curitiba General Hospital (HGeC), working in clinical and outpatient hospital nutrition. She holds a PhD in Nutrition (UFSC), a Master’s degree in Food and Nutritional Security (UFPR), a Bachelor’s degree in Nutrition (UFPR) and Pedagogy (FAEP), and specializations in Food Quality (CBES) and Science Teaching (UTFPR). During her master’s, she participated in academic mobility at the Graduate Program in Nutrition at the Federal University of Pernambuco. She has primarily worked in teaching vocational and higher education, in Food and Nutrition Units, events, restaurant consulting, and in the Health Surveillance sector (statutory technician from 2009 to 2012). She was a faculty member of the Nutrition course at Faculdades Ponta Grossa/Cescage from 2014 to 2019. She participates in the research groups "Cardiovascular Risk Study in Adolescents – ERICA/SC"; "Partner Support in Breastfeeding During the COVID-19 Pandemic"; "Comparative Social Research Measuring Population Reaction to the COVID-19 Pandemic and Government Containment and Response Measures – Social Thermometer COVID-19 – Brazil"; and "Food Insecurity Situation in Children in Municipalities of Paraná." Coordinator of the Tutorial Group "Chronic Diseases, Health Education and COVID-19," of the Education through Work for Health Program (PET-Health). She is interested in teaching in the area of Nutrition in Public Health and developing Research and Extension activities.

  • Anderson Zampier Ulbrich

    Graduated with a Bachelor's Degree in Physical Education (UFPR - 2000). Specialist (Lato Sensu) in Exercise and Quality of Life (UFPR - 2003) and Master’s Degree in Physical Education (UFPR - 2006–2008). PhD in Human Movement Science (UDESC - 2009–2013). Currently, he is an Associate Professor in the School of Medicine (UFPR). He is accredited in the Graduate Program in Internal Medicine and Health Sciences – UFPR. He has experience in the field of Physical Activity and Health, with an emphasis on cardiovascular, immunological, and molecular adaptations to physical training. His work focuses on:
    A) evaluating the effects of rehabilitation programs through physical exercise in patients with cardiovascular and metabolic diseases on: immunological mechanisms; molecular pathways; oxidative stress; mechanisms involved in the regulation of cardiac muscle function and remodeling; endothelial function; functional fitness; and lifestyle adaptations;
    B) validating assessment instruments for evaluating the behavior of patients with cardiovascular diseases;
    C) longitudinal studies on health risk behaviors in healthy adults.
    He carries out teaching, research, and outreach activities in the field of Cardiopulmonary and Metabolic Rehabilitation through physical exercise, as an adjunct to pharmacological treatment at UFPR. He is also involved in scientific collaboration with the Genomas Paraná project, which is linked to the Genomics Innovation and Research Cluster (NAPI) of the Araucária Foundation, in partnership with the CNPq research group in Epigenetics and Genetic Epidemiology.

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28-05-2026

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Theoretical systematic reviews and/or meta-analysis

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Labronici Bertin, R., de Abreu Maruiama, N., de Andrade Chaves, M., Calistro da Silva Braz, L. F., Roehrig Volpe Fix, A., Retondario, A., & Zampier Ulbrich, A. (2026). Effects of plant-based protein supplementation on hypertrophy in healthy males and females who practice resistance training: a systematic review. Retos, 81, 345-364. https://doi.org/10.47197/retos.v81.117266