Plant Protein Matches Animal Protein for Muscle and Cardiometabolic Health, Meta-Analysis Finds

A meta-analysis of 18 randomized controlled trials published in Frontiers in Nutrition found no meaningful difference between long-term plant-based and animal-based protein supplementation on body composition, muscle strength, physical performance, or cardiometabolic markers. The review undercuts both carnivore and vegan dogmas by showing the source matters less than the dose.