Saw Palmetto - Herbal DHT Blocker
This is probably the best known natural dht blocker. Studies have shown that saw palmetto is an effective anti-androgen. It acts in a similar way that propecia does. Firstly, it lowers levels of DHT in the body by blocking 5 alpha-reductase. Secondly Saw Palmetto block receptor sites on cell membranes required for cells to absorb DHT.
Minor side effects can include stomach irritation and feelings of indigestion. In part, these side effects can be avoided by not taking Saw palmetto on an empty stomach.