Ran across an article talking about boron and its interesting effects on the endocrine system with respect to free testosterone and DHT. It's relatively cheap and there are some studies that speak to the benefits.

It was found to decrease the amount of SHBG in the blood, which would make it a great thing to add to PCT.

This study: Comparative effects of daily and weekly boron supplementation on pl... - PubMed - NCBI - although a small group, showed free testosterone levels went up by 28% and, estrogen levels dropped by 39% and serum DHT also increased significantly while SHBG levels decreased significantly.

They did this one on the effects of boron supplementation on serum vitamin D levels, but on the side they also measured serum hormone levels from their subjects.

http://www.bioimmersion.com/media/do..._monograph.pdf

The researchers in this case saw that the boron supplementation had increased their subjects free testosterone levels by 29.5%.

Looks like this is one I'll be adding to my pro T/DHT diet plan in the future, along with sorghum.