I have better results when taking the two together (synergistic). You when your hair feels like it is slightly burning and you take a DHT blocker and it goes away, that is a way to meter it.
Here is what the herb Pygeum is chemically made of:
Pygeum bark contains three groups of active constituents: phytosterols (including beta-sitosterol), pentacyclic triterpenoids (including ursolic and oleaic acids) and ferulic esters of long-chain fatty alcohols (including ferulic esters of docosanol and tetracosanol).
I also take:
and I try to eat foods that contain a lot of b-vitamins like eggs, rice bran, nutritional yeast, and bee pollen.