MNHI

DEFY AGING.

Science-backed protocols for men who refuse to slow down. Optimization, biohacking, and peak performance.

More Guides

Stress, Cortisol, and Testosterone: How to Break the Cycle (Without Hacks)
Hormones

Stress, Cortisol, and Testosterone: How to Break the Cycle (Without Hacks)

Cortisol is not the enemy, but chronic stress wrecks sleep, libido, and recovery. Here are the real levers: circadian rhythm, training load, breathing, and boundaries.

Feb 6, 2026 Cortisol, Stress
Cardiovascular Health in Practice: ApoB, Blood Pressure, VO2max, and a 12-Week Plan
Longevity

Cardiovascular Health in Practice: ApoB, Blood Pressure, VO2max, and a 12-Week Plan

The most useful metrics for cardiovascular risk and fitness: what to measure, what to improve, and a realistic 12-week plan built on training and habits.

Feb 5, 2026 ApoB, Blood Pressure
Vitamin D (and K2): When Supplementation Helps and When It Can Backfire
Supplements

Vitamin D (and K2): When Supplementation Helps and When It Can Backfire

A practical approach to vitamin D: testing 25(OH)D, dosing logic, risks of excess, why magnesium matters, and when K2 is worth considering.

Feb 4, 2026 Vitamin D, K2
Breathing, Nasal Airflow, and Sleep: Small Tweaks That Can Improve HRV and Recovery
Biohacking

Breathing, Nasal Airflow, and Sleep: Small Tweaks That Can Improve HRV and Recovery

Nasal breathing, sleep position, CO2 tolerance basics, and simple habits that often reduce snoring and improve recovery metrics.

Feb 3, 2026 Breathing, Sleep
NMN vs NR (NAD+): Mechanisms, Expectations, and How Not to Waste Money
Supplements

NMN vs NR (NAD+): Mechanisms, Expectations, and How Not to Waste Money

How NAD+ precursors work, what the biology suggests, why human results are usually subtle, and a practical way to test NMN or NR without hype.

Feb 2, 2026 NMN, NR
Microplastics, BPA, and PFAS: What You Can Realistically Reduce (Without Paranoia)
Lifestyle

Microplastics, BPA, and PFAS: What You Can Realistically Reduce (Without Paranoia)

A practical, high-impact guide to lowering exposure to plastics and endocrine disruptors: what matters most, what is noise, and a simple 7-day plan.

Feb 1, 2026 Lifestyle, Endocrine Disruptors