Soybean
Soybeans contain a nutrient called spermidine, which is known to prolong the developmental phase of hair follicles. This in turn leads to stronger hair strands resulting in healthier hair. Soybeans also offer plenty of protein which makes them ideal components of a well-balanced diet. Even though the positive effects of spermidine on hair growth are not fully understood, implementing soybeans into your diet will not cause any harm.
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