What foods increase and decrease DHT production?

Tobacco decreases . Dht production because blood flow testes, where Dht is produced, high cholesterol containing foods likely inhibit Dht production. Tofu and soy products can have an estrogen-like effect and decrease Dht production. Some shellfish like oysters & mussels may stimulate Dht production. Raw onions and garlic are beneficial for vascular health & thus are probably good for Dht production.