A recent study sought to find out how protein type and amount would affect gains in muscle strength and mass for people engaged in strength training. To do so, they tested a group of young adults, half of which were vegans and the other half omnivores.
The results show that as long as the protein intake was the same, it didn’t matter what type of protein was consumed. This means that in proper proportions, both plant and animal protein.
Learn more about this study at https://www.news-medical.net/news/20210519/Protein-intake-is-more-important-than-protein-source-to-gain-muscle-strength-and-mass.aspx