PUMPKIN SEED (Cucurbita pepo)
Pumpkin seed oil contains many health nutrients, and two in particular that are believed to provide protection against DHT damage by inhibiting the enzyme 5-ar.
- Beta-sitosterol: This phytosterol (organic molecule found in plants) has been shown to block the conversion of testosterone into DHT by inhibiting the enzyme 5-ar.
- Delta-7-sterine: This compound specifically competes with the stronger DHT at the receptor sites of the follicles. In other words, it helps prevent DHT from binding to the hair follicles where it would begin to weaken and thin the hair.
Here's a study on the effectiveness of botanically-derived 5-ar inhibitors: A randomized, double-blind, placebo-controlled trial to determine the effectiveness of botanically derived inhibitors of 5-alpha-reductase in the t... - PubMed - NCBI