Dr. Mob

Evidence-based men’s health from a real physician. No bro-science. No BS. Just what actually works.

I’m Dr. Tanner Mobley — a US-trained internal medicine physician who’s obsessed with optimizing performance, longevity, and healthspan. I lift, I research, I cut through the noise.

Topics I cover: Peptides • Strength Training • Longevity • Hormones • Home Gym • Recovery

BPC-157: What the Research Actually Shows (2026 Guide)

BPC-157 is everywhere right now. Fitness influencers, biohackers, and even some physicians are talking about it as a miracle healing peptide. But what does the research actually show? As a physician who reads the primary literature, here’s my honest breakdown. What Is BPC-157? BPC-157 (Body Protection Compound-157) is a synthetic peptide consisting of 15 amino acids. It’s derived from a protective protein found in human gastric juice. Key point: BPC-157 is not a drug. It’s not FDA-approved for any condition. It’s classified as a research chemical. ...

January 26, 2026 · 4 min · Dr. Tanner Mobley, MD

GLP-1 Agonists Explained: Semaglutide, Tirzepatide & Retatrutide

Ozempic. Wegovy. Mounjaro. Zepbound. These names are everywhere right now — and for good reason. GLP-1 agonists are the most effective weight loss drugs we’ve ever had. But there’s a lot of confusion out there. Let’s clear it up. What Are GLP-1 Agonists? GLP-1 (glucagon-like peptide-1) is a hormone your body naturally produces after eating. It does a few things: Signals fullness — tells your brain you’re satisfied Slows stomach emptying — food stays in your gut longer Increases insulin release — helps regulate blood sugar Decreases glucagon — reduces sugar release from your liver GLP-1 agonists are drugs that mimic this hormone, but they’re much more powerful and last much longer than your natural GLP-1. ...

January 26, 2026 · 6 min · Dr. Tanner Mobley, MD

The Evidence-Based Home Gym: What You Actually Need in 2026

I’ve trained in commercial gyms. I’ve trained in my garage. After years of both, I’m convinced a well-designed home gym beats a commercial gym for most people. Here’s exactly what you need — and what you don’t. The Non-Negotiables These are the pieces that give you 90% of the results: 1. Barbell + Plates (Budget: $500-1500) The barbell is the most versatile piece of equipment ever created. With one barbell you can: ...

January 25, 2026 · 3 min · Dr. Tanner Mobley, MD

What Actually Builds Muscle: The Evidence-Based Essentials

The fitness industry thrives on complexity. New programs, new supplements, new “secrets” every week. But the research on muscle building is actually pretty clear. Here’s what we know works — and what’s just noise. The Three Things That Actually Matter 1. Progressive Overload What it means: Gradually increasing the demands on your muscles over time. Why it matters: Your body adapts to stress. If the stress doesn’t increase, adaptation stops. ...

January 24, 2026 · 4 min · Dr. Tanner Mobley, MD

Longevity 101: What Actually Extends Healthspan (Not Just Lifespan)

Everyone wants to live longer. But living to 95 in a nursing home isn’t the goal. Healthspan — the years you’re healthy, functional, and actually enjoying life — is what matters. Here’s what the research shows actually moves the needle. The Big Picture Longevity research is exploding. But most “anti-aging” interventions are either: Promising in mice, unproven in humans Overhyped by people selling something Common sense dressed up as cutting-edge science Let’s separate signal from noise. ...

January 23, 2026 · 5 min · Dr. Tanner Mobley, MD