The Journal
Men's health, performance, and the science that matters
Ingredient deep dives, practical protocols, and evidence-based articles on testosterone, recovery, and what actually works
⌕
No articles match that search.
Latest from the Journal
Most recent
Battle readiness
The Field Nutrient Gap: What Extreme Demand Reveals About What Men Are Missing
Put a man under extreme demand and it exposes the reserves he was already low on. The energy-deficit research maps a gap most men carry q...
Battle readiness
Sleep Is a Weapon: Why Readiness Is Built in Recovery
Sleep isn't optional recovery — it's when the body gets built, including most of a man's hormonal production. One week of five-hour night...
Battle readiness
Battle-Ready: What the Science of Extreme Load Teaches Every Man
Readiness is the quiet certainty that when the hard day comes, the body and mind do what's asked. The research on people pushed to the ed...
Lab Notes
View all →Recent research, broken down. What the studies say—and what they actually prove.
Ingredients
View all →Single-ingredient deep dives. Mechanism, dose, evidence.
Stacks
View all →What works together and why. Combinations built on evidence, not trends.
Formulas
View all →The how-to. Dose, timing, daily integration.
The Brookhaven Effect
View all →The men running on this. Lifestyle, capacity, outcomes.
Research
View all →Our own data. Transparency reports. Supply-chain depth.
Ask Nate
Got a question?
Send it. The best ones get answered in the Ask Nate column.
Submit a question →Get the lab notes
Every few days we break down new research on testosterone, ancestral nutrition, and what the evidence actually supports. Straight to your inbox.
Every article
The complete Journal library, 64 articles and counting.
- The Field Nutrient Gap: What Extreme Demand Reveals About What Men Are Missing Jul 2026
- Sleep Is a Weapon: Why Readiness Is Built in Recovery Jul 2026
- Battle-Ready: What the Science of Extreme Load Teaches Every Man Jul 2026
- Ashwagandha: Zhu et al., 2026 Jun 2026
- Creatine: Dumitrescu et al., 2026 Jun 2026
- The Nutritional Foundation You Cannot Out-Train Jun 2026
- The Unglamorous Habits High Performers Never Skip Jun 2026
- What Your Morning Routine Compounds Into After 40 Jun 2026
- Owning Your Health the Way You Own Your Work Jun 2026
- Recover on Purpose: The Night Is Where Tomorrow's Edge Is Built Jun 2026
- Fuel for the Long Climb: Why the Afternoon Crash Isn't a Willpower Problem Jun 2026
- The Clear Head: Why Focus Is a Resource, Not a Personality Trait Jun 2026
- Charge the Storm: The Biology of Leaning In When Most Men Run Jun 2026
- Heme iron: Hartung et al., 2026 Jun 2026
- Selenium: Toraih et al., 2026 May 2026
- Bimagrumab and the BELIEVE Trial: When 'Lose Fat, Gain Muscle' Becomes Pharmacology May 2026
- Trevogrumab and the Selective Anti-Myostatin Approach May 2026
- The Muscle Preservation Class: Why the Next Wave Targets What GLP-1s Take May 2026
- Muscle Preservation Across All Three Drug Classes May 2026
- Retatrutide: The Triple-Agonist Era That's Almost Here May 2026
- Zinc copper ratio men: Chaabouni et al., 2026 May 2026
- Adaptogen cortisol: Pattojoshi et al., 2026 May 2026
- Boron: The Trace Mineral That Supports Testosterone Signaling May 2026
- Copper: Why Magnesium and Zinc Need Copper to Work May 2026
- Zinc: The One Mineral Most Men Don't Get Enough Of May 2026
- Ashwagandha: Cortisol, Sleep, and the 600mg Dose Threshold May 2026
- Magnesium glycinate: Wang et al., 2026 May 2026
- Tirzepatide (Mounjaro / Zepbound): What Adding GIP Actually Does May 2026
- GLP-1 (Semaglutide / Liraglutide): How the First Generation Works May 2026
- CoQ10: Lyons et al., 2026 May 2026
- B12 absorption older adults: Sugimoto et al., 2026 May 2026
- The GLP-Era: Why This Conversation Matters for Men May 2026
- Choline: Selezneva et al., 2026 May 2026
- How red light therapy works and what is the evidence that supports the claims or is it all hype. May 2026
- How testostrone increases libido, what other things can increase libido in men and women. May 2026
- Cold Plunge After Training: When It Helps, When It Hurts May 2026
- Beef Kidney: The Trace Mineral Powerhouse Almost No One Eats May 2026
- What Beef Heart Actually Does for Men Over 40 May 2026
- Beef liver: Cidrini et al., 2026 May 2026
- What we tested for, and what most supplement brands don't May 2026
- Discipline as the Multiplier: Why Supplements Don't Replace the Work May 2026
- What I Eat in a Day: A Brookhaven-Aligned Nutrition Framework May 2026
- The 5am Hour: What One Hour Builds May 2026
- Morning vs. Evening: Circadian Rhythms and Supplement Timing May 2026
- With Food or Empty Stomach? Bioavailability Rules for Organ-Based Stacks May 2026
- The 90-Day Protocol: What to Expect at Day 30, 60, and 90 May 2026
- The Morning Stack: What to Take with Breakfast May 2026
- Vitamin D3 + K2 + Magnesium: The Sunshine Stack May 2026
- Beef Organs + Adaptogens: The Foundation Stack for Men Over 40 May 2026
- Magnesium Glycinate vs. Citrate vs. Oxide: Which Form Actually Absorbs May 2026
- Shilajit testosterone or mitochondrial: Ahmed et al., 2026 May 2026
- Tongkat Ali at Clinical Doses: What 200mg vs 25mg Actually Does May 2026
- Shilajit: What Fulvic Acid Does at the Cellular Level May 2026
- The Body That Wakes Up Ready Apr 2026
- Tongkat ali: Ali et al., 2025 Apr 2026
- Why We Made One Bottle Instead of Five Apr 2026
- Why Bioavailability Beats Dose: Synthetic vs Natural Vitamin A Apr 2026
- How to Take Total Men's Package: Timing, Food, and What to Avoid Apr 2026
- The Adaptogen + Organ Stack: Why Most Men's Multivitamins Miss the Foundation Apr 2026
- What Beef Liver Actually Does for Men Over 40 Apr 2026
- What 12 Weeks on Total Men's Package Feels Like, Week by Week Apr 2026
- Does Ashwagandha Raise Testosterone? Here's What Studies Show Apr 2026
- Why Stack Tongkat Ali and Shilajit Apr 2026
- Does Tongkat Ali Actually Raise Testosterone? What the Science Says Apr 2026