shellfish such as oysters are thought to be good; tuna too.
however, may i know why you wanna boost your T?
T will make u make rash decision, over-confident, over-sexualized to the point of being a sex-pest and get into more fights.
Why dont you just improve your manliness? talk with composure, talk little, talk with considered-facts. hope u realize now that a lot of it involve how you communicate; get more girls this way, bro

why would one wants more T for?
pardon me if i assumed wrongly