Protocol
How to Increase Testosterone Naturally: 12 Evidence-Based Habits
The full list, ranked by how much each actually moves the needle.
Science
Sleep and Testosterone: The Strongest Lever You're Ignoring
Five nights of short sleep can drop young men's T by 10 to 15%. Here's the research.
Nutrition
20 Foods That Boost Testosterone (and Which Ones Don't)
The real food list, separated from the internet myths.
Training
Does Lifting Weights Increase Testosterone? What the Research Says
The acute spike, the chronic adaptation, and what to program for.
Supplement
Vitamin D and Testosterone: Dose, Timing, and What Actually Works
What Pilz et al. 2011 actually found, and how to dose correctly.
Supplement
Zinc and Testosterone: Why Deficiency Tanks Your T
The Prasad 1996 study that proved zinc matters, and how to dose it.
Supplement
Ashwagandha for Testosterone: What the Studies Actually Show
The real effect size, the dosing, and the caveats nobody mentions.
Lifestyle
Cold Exposure and Testosterone: Does Cold Plunging Actually Raise T?
The gap between podcast hype and the actual evidence.
Lifestyle
Sunlight and Testosterone: The Morning Light Connection
Why morning light anchors your circadian rhythm, and your T.
Health
Low Testosterone Symptoms (and What Actually Moves the Needle)
The symptoms, the thresholds, and what to do before jumping to TRT.
Reference
Testosterone Levels by Age: What's Normal, What's Optimal
The reference ranges, the decline curve, and what "normal" actually means.
Science
Cortisol, Stress, and Testosterone: The Inverse Relationship
How chronic stress steals from your T pool, and how to stop the bleed.
App Comparison
Best Testosterone Tracker Apps in 2026
We tested every T tracker on the App Store. Here's how they rank.