I will run the risk of sounding biased but
my honest advice when asking for a natural
prewo that improves strength is Lit-Up.
For me, I can't recall anything that boosted my strength like this one did/does
I'm a natty bb, so I wouldn't know anything about gear
Add caffeine to it for an extra boost, and if money ain't a problem stack Lit-Up with Ultima,
now that's some sh%t..