Pumpkin seeds contain a steroid called delta-7 stearine, which can block DHT buildup in hair follicles. Lycopene is another beneficial ingredient that prohibits DHT. Eat the following foods to up your intake: * Tomatoes * Watermelon * Carrots * Mangoes Another natural DHT blocker is L-lysine, and these foods are rich in the nutrient: * Almonds * Walnuts * Peanuts * Pecans Zinc, a nutrient found in many foods, is another DHT inhibitor. Find it in: * Spinach * Kale * Cashews * Wheat germ * Cooked white mushrooms The following foods contain biotin, which can be helpful in the formation of certain fatty acids and DHA: * Berries * Wheat germ * Bananas * Peanuts * Legumes * Swiss chard * Eggs (cooked) * Tuna * Salmon Soy contains estrogen-like compounds called isoflavones, in addition to a molecule that prohibits the formation of DHT. Phytosterols are plant-derived sterols similar to human cholesterol, and they may reduce levels of DHT in the hair follicle. You can add phytosterols to your diet by adding the following foods: * Wheat germ * Sesame, canola, olive, and corn oils * Peanuts * Almonds * Macadamia nuts * Brussels sprouts * Rye bread Flaxseed contains lignans, which may help the body convert less testosterone to DHT.