Most men optimizing testosterone skip zinc entirely. That's a mistake — the research on what deficiency actually does to your hormones is some of the most direct evidence in men's health.
The internet says fasting increases testosterone by 180%. Some studies say the opposite. We reviewed 6 peer-reviewed studies to find out what the research actually proves.
One drink won't tank your testosterone. But the research on chronic drinking, binge drinking, and even moderate regular consumption tells a more complex story than most men realize.
Cold exposure is everywhere right now. Influencers swear it raises testosterone. Some studies suggest the opposite. Here's what the peer-reviewed research actually shows about cold water immersion, hormones, and what it's actually good for.
Cortisol and testosterone operate on a seesaw. When one goes up, the other tends to go down. Here's what 5 peer-reviewed studies reveal about chronic stress, the HPA-HPG axis, and what you can actually do about it.