Quick Verdict
Zinc
Essential trace mineral for 300+ enzymes. Critical for testosterone, immune function, protein synthesis. Most athletes a
Evidence: strong (500+ studies)
Boron
Trace mineral that significantly impacts testosterone, vitamin D metabolism, and bone health. One of the most underrated
Evidence: moderate (20+ studies)
Side-by-Side Comparison
| Zinc | Boron | |
|---|---|---|
| Category | minerals | minerals |
| Evidence Level | strong | moderate |
| Studies | 500+ | 20+ |
| Dosage | 15-40 mg | 3-10 mg |
Stack Compatibility
Zinc: Magnesium (sleep + hormone synergy), Vitamin D3, Copper (if long-term Zn use), Boron
Boron: Vitamin D3, Magnesium, Zinc, Ashwagandha
Which Should You Choose?
Zinc has stronger evidence (500+ studies).