Magnesium L-Threonate possible DHT inhibitor!

I am currently trying to figure out which magnesium to take for insomnia. I have Magnesium Glycinate and Magnesium L-Threonate. I found this article https://www.superfoodly.com/magnesium-l-threonate/ which claims the later form mentioned can inhibit DHT according to a South Korean study. This would be interesting because just before I crashed back in June, I was taking this form of Mg to see if it would help with my tinnitus (I was still taking 1.25 of proscar at the time. Let me know what you all think.

I believe that inhibiting 5 alpha reductase is worse than inhibiting dht