20k is nothing.
Just on "Prime Lab, Mens test booster", which is a snake oil, there are 46k reviews and all of those are fake. They give one bottle free if you send the screenshot of the review. Just one product -> 46k reviews.
https://www.amazon.com/dp/B01MQ1JLWY/ref=cm_sw_r_cp_apa_i_zGYuFbCTB2J33
May take a few weeks to see results at the very least but message me back by then thanks bb