If you swing on standing curls supported will grow you faster

Supported curls hit the biceps harder because you can’t cheat pure isolation

Preacher curls force that nasty stretch super underrated for hypertrophy

Supported curls kill ego lifting which usually means more stimulus

grow more from controlled DB supports than barbell anything

Standing curls are great but supports make every rep honest

The pump on preacher curls hits different feels like it fills the whole arm.

Supported curls help keep constant tension that’s why they work

My biceps only popped once I stopped swinging and started supporting

Mix both, but supported should be the foundation if size is the goal