Some foods that block DHT include watermelon, tomatoes, carrots and mangoes, all of which have lycopene in them. Other foods that block DHT include pumpkin seeds, which have a steroid called delta-7 stearine that blocks DHT, and almonds, walnuts, peanuts and pecans, which have a DHT blocker called L-lysine.
Foods that are rich in zinc also help inhibit DHT, and some popular ones include spinach, wheat germ, kale, cashews and white mushrooms. DHT is a male androgen that is one of the causes of male pattern baldness and female pattern baldness. Consuming these foods, along with taking specific medications, helps to stop testosterone from converting into DHT.