DAA is a great natural testosterone booster that is also dirt cheap. You can get over a 30 day supply for literally 7 bucks from the board sponsor n2bm.com.
That being said, a natural testosteorne booster is never going to give you the same results that real steroids are.
Getting on TRT is a life long decision so I would try natural alternatives first and use it as a last resort.
Stacking DAA with a good natural testosterone booster that contains multiple herbal extracts like hcgenerate would be a great natural testosterone boosting stack. That + a proper diet, minimizing stress and sleeping 8 hours per night should greatly improve testosterone levels.