Evidence supporting the use of: Animal protein
For the health condition: Body Building

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Synopsis

Source of validity: Scientific
Rating (out of 5): 5

Animal protein is widely recognized and scientifically validated as a beneficial supplement for body building. Multiple high-quality studies have demonstrated that dietary protein, particularly from animal sources (such as whey, casein, egg, and meat), supports muscle protein synthesis, muscle repair, and hypertrophy—key goals in body building. Animal proteins are considered "complete proteins," containing all essential amino acids required for muscle growth, and are typically rich in leucine, an amino acid critical for stimulating muscle protein synthesis via the mTOR pathway. Randomized controlled trials have shown that consuming animal protein after resistance exercise enhances muscle mass and strength gains compared to lower protein or non-protein controls. Meta-analyses published in journals such as the British Journal of Sports Medicine and Journal of Nutrition confirm that protein supplementation, and especially animal-based protein, significantly augments the effects of resistance training on muscle mass and strength. While plant-based proteins can also be effective, animal protein is often preferred in body building due to its higher digestibility and more favorable amino acid profile. Thus, the use of animal protein for body building is strongly supported by the current scientific literature and is a standard recommendation in sports nutrition guidelines.

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Products containing animal protein

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