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Sexual Health · Protocol Review
We Tested 4 ED Treatments For 90 Days. Here's What Actually Worked.
We ran our own assessment before and after on all four. Most had no effect. One was clearly different.
Read the review →
Essential Reading
Nutrition
The 2026 Protocol Man Guide to Protein: How Much You Actually Need
The Protocol Team · 18 min
Wellness
The Annual Blood Panel Every Man Should Run — And What to Do With the Results
Dr. R. Stein · 22 min
Wellness
Why Sleep Is the Most Underrated Performance Variable
The Protocol Team · 14 min
Training
Zone 2 vs. HIIT: A Sports Doctor Breaks Down Which Is Right For You
Dr. M. Phillips · 11 min
The Latest From Protocol Man Show All →
Expert Q&A
No Diet Wins: 5 Key Insights From 40 Years of Men's Nutrition Research
The Protocol Team · 12 min
Ultimate Guide
5 Things a Sports Doctor Wants You to Know About Protein and Muscle
The Protocol Team · 13 min
Metabolic Markers
The 2026 Protocol Man Guide to Blood Tests: What Every Man Should Run Annually
Dr. R. Stein · 19 min
Expert Q&A
6 Things You Need to Know About Your Cholesterol Panel Before Age 45
The Protocol Team · 12 min
Nutrition| 275 articles
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Ultimate Guide
How to Reduce Saturated Fat Without Sacrificing Performance or Taste
Sharon Liao · 11 min
Expert Q&A
No Diet Wins: 5 Key Insights From 40 Years of Nutrition Research
The Protocol Team · 12 min
Ultimate Guide
Is High-Oleic Sunflower Oil Actually Healthy? We Looked at the Research.
Stephanie E. · 10 min
Recipe Roundup
9 High-Protein, Low-Sugar Breakfasts That Actually Keep You Full
Sharon Liao · 7 min
Latest Research Show All →
May 8, 2026
New Data Links Chronic Sleep Debt to Accelerated Testosterone Decline in Men Under 40
April 22, 2026
Zone 2 Training More Effective Than HIIT for Long-Term Metabolic Health, Study Finds
March 30, 2026
High-Protein Diets Show No Kidney Risk in Healthy Men, Large Meta-Analysis Confirms
March 14, 2026
Omega-3 Supplementation Reduces Inflammatory Markers in Sedentary Men, Trial Finds
Sexual Health| 64 articles
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Protocol Review
Hims vs. Roman vs. Rugiet: We Reviewed the Top ED Treatments and Found a Clear Winner
Mike Harrington · 14 min
Expert Q&A
What Actually Causes Low Libido in Men Under 40? A Doctor Explains.
Dr. R. Stein · 9 min
The Explainer
Sildenafil vs. Tadalafil: What's the Actual Difference and Which Should You Use?
The Protocol Team · 10 min
Ultimate Guide
PE Treatment Reviewed: Climax Control vs. Roman Swipes vs. Rugiet Go Long
The Protocol Team · 12 min
Grooming| 48 articles
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Protocol Review
Best Natural Deodorants for Men 2026: We Tested Freaks of Nature, Native, and Necessaire
The Protocol Team · 9 min
Ultimate Guide
Hair Loss Treatments Reviewed: Nutrafol vs. Keeps vs. Hims — We Found a Clear Winner
The Protocol Team · 11 min
The Explainer
Clean vs. Conventional Skincare for Men: What the Ingredient Labels Actually Mean
Sharon Liao · 8 min
Expert Q&A
SPF for Men: Why You're Probably Skipping the Most Important Step in Your Routine
Dr. K. James · 7 min
Wellness| 180 articles
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The Explainer
Sleep and Testosterone: The Connection Most Men Completely Ignore
The Protocol Team · 7 min
Ultimate Guide
Best Electrolyte Powders 2026: We Reviewed Freaks of Nature vs. LMNT vs. Liquid I.V.
The Protocol Team · 11 min
Expert Q&A
Does Cortisol Actually Cause Weight Gain? A Sports Medicine Doctor Explains
Dr. R. Stein · 9 min
The Explainer
Hot/Cold Contrast Therapy: What the Research Says and How to Actually Do It
The Protocol Team · 8 min
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