There’s a few methods to increase DHT:
- Tribulus (standardized to Protodioscin)
- Creatine (weak evidence for an increase)
- Zinc (if deficient)
- Butea Superba (one study shows this)
- Topical DHEA on scrotum
- Topical T cream on scrotum (effective)
- Topical DHT (most effective method)
- Oral T Undecanoate (large doses needed)
I’ve been using Topical 20% DHT gel and had labs done showing my blood serum DHT levels are > 900ng/dL.
It really depends how high you are looking to push your DHT levels. Not sure where the threshold of diminishing returns is.