Human performance research
The science of staying prime.
Every article reviewed against current peer-reviewed research. Practical, evidence-graded, written for men who refuse to coast.
Featured · hormones
How One Week of Poor Sleep Reduces Testosterone by 15%
Sleep and testosterone are directly linked. A 2011 University of Chicago study showed 5 hours of sleep reduced T by 10–15% in just one week.
6 min read · Updated 2026-05-18
62 of 62 articles
longevity
Biological Age vs Chronological Age: Why Your Birthday Doesn't Define Your Health
7 min read · 2026-05-18
recovery
HRV Training: How to Use Heart Rate Variability to Never Overtrain Again
8 min read · 2026-05-18
recovery
Cortisol Is Killing Your Gains: How to Manage the Stress Hormone for Maximum Recovery
7 min read · 2026-05-18
longevity
VO2 Max: The Single Strongest Predictor of How Long (and How Well) You'll Live
7 min read · 2026-05-18
hormones
Cold Exposure and Testosterone: What the Research Actually Shows
5 min read · 2026-05-18
sleep
The Sleep Stack: 7 Evidence-Based Supplements That Actually Improve Recovery
6 min read · 2026-05-18
longevity
ApoB: Why This Cholesterol Marker Matters More Than LDL for Your Longevity
6 min read · 2026-05-18
performance
Creatine: 7 Benefits Beyond Muscle Building (And Why Every Man Should Consider It)
7 min read · 2026-05-18
sleep
Sleepmaxxing: The 2026 Sleep Optimization Protocol for High Performers
8 min read · 2026-05-18
sleep
Magnesium Glycinate for Sleep: Mechanism, Dose, and What Research Shows
6 min read · 2026-05-19
sleep
Apigenin and Sleep: The Chamomile Flavonoid Behind Bryan Johnson's Stack
5 min read · 2026-05-19
longevity
NMN vs NR: Which NAD+ Precursor Actually Works in 2026?
6 min read · 2026-05-19
longevity
NAD+ Supplements in 2026: What Research Shows vs What Influencers Claim
7 min read · 2026-05-19
cognition
The Caffeine + L-Theanine Stack: Mechanism, Ratio, and Optimal Use
6 min read · 2026-05-19
longevity
The Bryan Johnson Blueprint Protocol: What Holds Up Under Scrutiny
7 min read · 2026-05-19
longevity
How to Lower ApoB Naturally: Diet, Exercise, and Supplements That Work
6 min read · 2026-05-19
longevity
How to Reduce Biological Age: 5 Levers That Compound Over 12 Months
7 min read · 2026-05-19
longevity
DEXA Scan Cost in 2026: Where to Get One and Whether It's Worth It
7 min read · 2026-05-19
longevity
Epigenetic Age Tests Compared: Horvath, GrimAge, PhenoAge Explained
8 min read · 2026-05-19
recovery
Contrast Therapy: Heat, Cold, and the Vascular Pump for Recovery
6 min read · 2026-05-19
peptides
Recovery Peptides 2026: BPC-157, TB-500, and What the Evidence Says
7 min read · 2026-05-19
cognition
Modafinil Alternatives in 2026: Legal Nootropics That Actually Work
7 min read · 2026-05-19
performance
Hybrid Athlete Training: Strength and Endurance Without Compromise
7 min read · 2026-05-19
performance
The Norwegian 4x4 Protocol: 28 Minutes to Build VO2 Max Faster
8 min read · 2026-05-19
peptides
KPV Peptide: The Tripeptide Quietly Beating SSRIs for Gut Inflammation
13 min read · 2026-05-19
peptides
The KLOW Peptide Stack: Decoded Component by Component (And Whether It Holds Up)
13 min read · 2026-05-19
peptides
GHK-Cu Peptide: The Therapeutic Copper Compound Beyond Skincare
13 min read · 2026-05-19
peptides
Tirzepatide: How the GLP-1/GIP Dual Agonist Works (and the Hidden Lean Mass Cost)
14 min read · 2026-05-19
peptides
Cagrilintide: The Amylin Analog Quietly Reshaping Obesity Treatment
14 min read · 2026-05-19
peptides
AOD-9604: The Fragment 176-191 Fat-Loss Peptide Explained
13 min read · 2026-05-18
peptides
Peptides for Healing: The 2026 Evidence Map (Tendon, Skin, Gut, CNS)
13 min read · 2026-05-18
peptides
Retatrutide: The Triple-Agonist Peptide Poised to Outclass Tirzepatide
13 min read · 2026-05-18
longevity
SS-31 (Elamipretide): The Mitochondria-Targeted Peptide Aging Researchers Are Watching
13 min read · 2026-05-18
peptides
Peptides for Men: The 8-Peptide Performance & Longevity Stack
14 min read · 2026-05-18
peptides
The Wolverine Peptide Stack: BPC-157 + TB-500 + GHK-Cu Recovery Protocol
13 min read · 2026-05-19
cognition
Dihexa: The Synapse-Forming Peptide 7 Orders of Magnitude More Potent Than BDNF
13 min read · 2026-05-19
cognition
Semax Peptide: The Russian Nootropic for Focus, Stroke Recovery, and BDNF
13 min read · 2026-05-19
cognition
Selank: The Russian Anxiolytic Peptide That Doesn't Sedate
13 min read · 2026-05-19
peptides
Tesofensine: The Triple Monoamine Reuptake Inhibitor for Stubborn Fat Loss
13 min read · 2026-05-19
nutrition
DAO Supplement: Diamine Oxidase for Histamine Intolerance Decoded
14 min read · 2026-05-18
nutrition
Natural GLP-1 Supplements: What Actually Mimics Semaglutide (and What Doesn't)
13 min read · 2026-05-18
nutrition
Vitamins A, B, C, D, E: The Honest Guide to the Big-Five Stack
13 min read · 2026-05-18
peptides
Oral Peptide Supplements: What Survives Digestion (and What Doesn't)
13 min read · 2026-05-18
nutrition
EAA vs BCAA Supplements: When Essentials Beat the Branch-Chains
13 min read · 2026-05-18
longevity
Citrus Bergamot: The Polyphenol That Lowers ApoB Without a Statin
13 min read · 2026-05-19
longevity
Mitochondrial Supplements: PQQ, CoQ10, NMN, and the Stack That Actually Works
13 min read · 2026-05-19
longevity
Joe Rogan's Supplement Stack: What He Actually Takes (And What's Actually Backed)
13 min read · 2026-05-19
cognition
Blue Cannatine: Decoding the Nicotine + Caffeine + Theanine Nootropic Stack
13 min read · 2026-05-19
nutrition
Best Ashwagandha Supplements 2026: KSM-66 vs Sensoril vs Generic (Evidence Review)
13 min read · 2026-05-19
peptides
Are Peptides Legal in 2026? FDA Compounding Rules, Category 2, and the Gray Market Decoded
15 min read · 2026-05-19
peptides
How to Reconstitute Peptides: The Step-by-Step Without Wasting a $500 Vial
14 min read · 2026-05-19
hormones
Peptides for Libido: PT-141, Kisspeptin, and the Honest Picture for Men 35+
14 min read · 2026-05-19
hormones
Peptides for ED: When PT-141 Outperforms Sildenafil (and When It Doesn't)
13 min read · 2026-05-19
peptides
Peptide Therapy Cost in 2026: What Telehealth Clinics Charge for BPC-157, Sermorelin, and GLP-1s
13 min read · 2026-05-19
nutrition
Beef Liver Supplements: The Carnivore Multivitamin Benefits, Risks, and Dosing
13 min read · 2026-05-18
nutrition
Methylfolate (5-MTHF) for MTHFR Mutations: Dosing, Symptoms, and When to Stop
13 min read · 2026-05-18
longevity
How to Lower Fasting Glucose Without Medication: The 8-Lever Protocol
14 min read · 2026-05-18
nutrition
Omega-3 EPA + DHA: The Dosing Most People Miss (Inflammation, Cognition, ApoB)
13 min read · 2026-05-18
peptides
Sermorelin Peptide: The GHRH Analog That Restores GH Pulses (Without HGH Risk)
14 min read · 2026-05-18
sleep
Optimal sleeping temperature: the 65–68°F rule for deep sleep
7 min read · 2026-05-19
longevity
Biological age calculator: what it measures, what it doesn't
7 min read · 2026-05-19
testosterone
Optimal testosterone levels by age: a reference guide for men 25–55
8 min read · 2026-05-19
The prime report
Weekly performance intelligence.
New studies, protocols, and optimization frameworks delivered every Monday. No fluff, no motivation quotes — only what moves the needle.