It’s mostly snake oil. The only real way is to get the surgery, and for all the risks of complications, all the pain, all the inconvenience, you’ll gain half an inch in girth. Whoopee, stop the presses.
In the end, it’s easier to just accept yourself for who you are.

pills? or like pumps? injects/surgery?

Like all other health matters it is a matter of sexual health and if uncorrected it can lead to many problems that not only affect the person but also our society.