Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Animal protein is recognized for its role in supporting general health, including aspects of the male reproductive system. Scientifically, animal proteins provide essential amino acids, micronutrients such as zinc, selenium, and vitamin B12, and bioactive peptides that are important for overall reproductive health. Zinc, in particular, is well-documented for its role in spermatogenesis and testosterone metabolism. Deficiencies in protein or these micronutrients can negatively impact sperm quality and testosterone levels. Several observational and interventional studies suggest that adequate dietary protein, especially from animal sources, correlates with improved semen quality and reproductive hormone profiles in men. However, the evidence is not specific to any single "animal protein" ingredient and often refers to dietary patterns or specific foods (e.g., eggs, dairy, meat, fish) rather than unspecified animal protein supplements. While traditional medicine systems also sometimes use animal-derived substances for male reproductive health, the primary support comes from modern nutritional science. Overall, animal protein intake as part of a balanced diet is supported by moderate scientific evidence for supporting the male reproductive system, especially in the context of preventing deficiencies rather than as a targeted therapy.

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