Evidence supporting the use of: Beef
For the body system: Hair

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Synopsis

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

Beef is used to support the hair body system primarily due to its rich nutrient profile, which includes proteins, iron, zinc, and B vitamins—nutrients that are scientifically linked to hair health. Scientific studies have shown that deficiencies in these nutrients can contribute to hair loss and poor hair quality. For example, iron deficiency is a well-known cause of telogen effluvium (a form of hair loss), and zinc plays a role in hair follicle recovery and strength. Beef is a significant source of highly bioavailable heme iron and zinc, making it a practical dietary option for individuals at risk of deficiency. Additionally, beef provides high-quality protein, which is necessary for keratin synthesis, the primary protein in hair. While there is no direct evidence that consuming beef specifically leads to improved hair growth or thickness in healthy individuals, the scientific consensus supports the role of adequate intake of these nutrients in maintaining normal hair health. Thus, beef’s use for supporting the hair body system is justified by scientific validation related to its nutrient content, though the evidence is moderate and largely based on prevention of deficiency rather than enhancement of hair in already healthy individuals.

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