What Fasting Actually Does to Testosterone: What 6 Studies Really Show
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.
The Zinc-Testosterone Connection: What Happens When You're Deficient
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.
Alcohol and Testosterone: How Much Is Too Much — What 5 Studies Show
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 Plunges and Testosterone: What the Research Actually Shows (It's Not What You've Heard)
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.
How Chronic Stress Kills Testosterone: What the Research Actually Shows
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.
Vitamin D and Testosterone: What Happens When Half of Men Are Deficient
Vitamin D is the one micronutrient with a direct receptor in testicular cells. Here's what 5 studies show about the relationship between deficiency and testosterone — and what actually happens when you fix it.
Creatine: The Most Studied Supplement in History. Here's What the Research Actually Shows.
Over 500 peer-reviewed studies. Decades of research. More data than almost any other supplement in existence. Here's what creatine actually does — and what the studies say about testosterone, DHT, hair loss, and performance.
What Happens to Your Testosterone When You Don't Sleep: What 5 Studies Really Show
You already know bad sleep makes you feel terrible. But the research shows it's doing something more specific — and more damaging — to your hormones than most men realize.