But testosterone-boosting supplements can work wonders for men who are marginally deficient in testosterone because of age, poor diet, poor sleep, stress, exposure to too many testosterone-draining chemicals, or overtraining.

And, unlike actual testosterone replacement, these T-boosting supplements won’t cause your testicles to go on vacation. Instead, they’ll make them work harder so that you’re just a little bit more male, a little bit more beastly.