Wits & Weights | Evidence-Based Fitness & Nutrition for Lifters Over 40

Your Secret Weapon for Fat Loss is NOT a Calorie Deficit or Macros | Ep 314

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Apr 28, 2025

Brad Kearns, a former world-ranked triathlete and bestselling author, discusses a game-changing approach to fat loss. He argues that building muscle should be prioritized over calorie counting for effective fat loss. Kearns explains how muscle acts as a 'glucose sink,' improving insulin sensitivity and leading to better hunger regulation. He emphasizes the importance of strength training not just for fitness, but for long-lasting metabolic health, debunking traditional dieting myths and advocating for a more balanced, sustainable approach to nutrition.

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INSIGHT

Strength Training and Hormones

Muscle improves post-meal blood sugar spikes and appetite signals.
Strength training naturally elevates GLP-1 hormone to aid weight regulation, unlike drugs.

INSIGHT

Diet Still Matters With Muscle

Lifting weights alone doesn't guarantee leanness without proper diet.
Intentional calorie control combined with strength builds leaner, healthier bodies over time.

ADVICE

Slow Gain Builds More Muscle

Gain weight slowly at 0.3 to 0.5% body weight weekly to maximize muscle vs fat gain.
Longer gains (6-12 months) build significant muscle slabs before fat loss phases.

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Is fat loss really made in the kitchen (combined with strength training)?

Or do we have it backward?

This episode examines why building muscle must be your first priority for any successful physique transformation... even before worrying about calorie deficits or macros.

You'll discover how strength training creates the metabolic foundation that makes fat loss dramatically easier, why muscle tissue acts as your body's "glucose sink" improving insulin sensitivity, and how this approach leads to better regulated hunger signals and more sustainable results than traditional dieting.

Let's challenge what the fitness industry teaches about weight loss and give you a more efficient starting point for your transformation.

Main Takeaways:

Building muscle first creates a metabolic environment where fat loss becomes dramatically easier
Strength training improves insulin sensitivity through the "glucose sink" effect
The right approach allows you to eat more food while achieving better results
Building a muscular foundation changes your entire relationship with nutrition and fitness

Episode Resources:

Follow The B.Rad Podcast for more great content from Brad Kearns

Timestamps:

0:01 - Why the traditional approach to fat loss is backward
8:54 - Why fat loss shouldn't be your first priority
15:32 - How strength training cascades to better eating habits
19:38 - How lifting prevents metabolic disease
23:27 - How your metabolism adapts to increased food intake
31:44 - The Norwegian training revolution: eat more, train harder
39:35 - Why even the "perfect diet" is not enough without training
47:22 - Walking as essential daily movement
57:27 - How walking more improves health markers
1:03:03 - The simple approach to starting with strength training

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