The Blog
Expert articles, research breakdowns, and practical protocols from Dr. Michael Dean and the Tribul Performance team. No fluff. Just results.

Why Testosterone Drops After 40: And What You Can Actually Do About It
Most men don't realize their testosterone has been declining since their early 30s. The symptoms are subtle at first — less energy, lower drive, harder recovery. By 45, the gap is undeniable. Here's the science behind the drop and the...
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SEXUAL WELLNESS
Why Testosterone Drops After 40: And What You Can Actually Do About It
Most men don't realize their testosterone has been declining since their early 30s. The symptoms are subtle at first —...
NUTRITION
Vitamin D and Testosterone: The Connection Most Men Don't Know About
Vitamin D deficiency is epidemic in men over 40 — and it directly impacts testosterone production, mood, immunity, and sexual...
COGNITIVE HEALTH
Brain Fog After 40: Causes, Consequences, and Solutions
Mental sharpness isn't just about sleep. Hormones, inflammation, and nutrition all play a role in cognitive performance — and all...
FITNESS
How to Build Muscle After 40: The Science-Backed Protocol
Your body responds differently to training after 40. Here's how to work with your biology — not against it —...
SEXUAL WELLNESS
The Real Reason Men Over 40 Struggle in the Bedroom
It's not age. It's biology — and biology can be optimized. A frank look at the physiological factors behind sexual...
Telemedicine
TRT vs. Natural Testosterone Support: Which Is Right For You?
Testosterone Replacement Therapy isn't for everyone. Here's how to know if you're a candidate — and what to try first.
Testosterone
The 5 Supplements Every Man Over 40 Should Be Taking
After decades of research and clinical practice, Dr. Michael Dean breaks down the non-negotiable supplements for men who refuse to...
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