Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Wheat germ is sometimes used as a dietary supplement to support hair health, primarily due to its rich content of nutrients such as vitamin E, B vitamins (especially biotin and folic acid), zinc, and essential fatty acids. These nutrients are known to play roles in hair growth and strength. For example, vitamin E is an antioxidant that can help reduce oxidative stress, which is linked to hair loss. Biotin deficiency is associated with hair thinning, and zinc plays a role in hair tissue growth and repair. However, while wheat germ is nutritionally dense, there is limited direct scientific evidence specifically linking wheat germ consumption to improved hair health or prevention of hair loss in humans. Most available studies focus on individual nutrients rather than wheat germ itself. The use of wheat germ for hair health appears to be based on its nutritional profile and extrapolation from evidence about its components, rather than clinical trials of wheat germ as a whole. Therefore, while there is a plausible scientific rationale for its use, the direct evidence supporting wheat germ for hair health is limited, and its rating is modest.

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