New Rapid Fat Loss Study, Menopause Weight Loss Resistance & More: Dr. Bill Campbell Recap
Optimal Protein Podcast with Vanessa Spina
Vanessa Spina
4.6 • 795 Ratings
🗓️ 22 May 2026
⏱️ 43 minutes
🧾️ Download transcript
Summary
In this Friday deep dive recap, Vanessa Spina breaks down the biggest takeaways from her recent interview with leading body composition researcher Dr. Bill Campbell.
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The episode explores one of the most debated topics in women's health right now: menopause and weight loss resistance. Vanessa unpacks Dr. Campbell's newest research on resistance-trained peri- and postmenopausal women, including whether some women truly become less responsive to traditional calorie deficits during menopause.
Vanessa also discusses:
- Dr. Campbell's rapid fat loss study in menopausal women
- How participants lost fat while preserving lean mass
- Why body water measurements matter in body composition research
- Sleep deprivation and fat loss resistance
- GLP-1 medications, muscle loss, and weight regain
- Why exercise is critical for weight maintenance
- Protein timing and body recomposition
- Reverse dieting and post-diet strategies
- Carbohydrate vs. fat overfeeding research
- Why high protein remains essential for fat loss and muscle preservation
This episode is packed with practical insights and cutting-edge science on menopause, protein, body recomposition, and metabolic health.
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⚠️ Disclaimer
This podcast is for informational purposes only and is not medical or nutritional advice. Always consult your healthcare provider before making dietary or lifestyle changes.
Transcript
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| 0:00.0 | Welcome to the Optimal Protein Podcast. I'm Vanessa Spina. |
| 0:04.5 | Hello, my friends. Welcome back to the Optimal Protein Podcast. I'm your host, Vanessa, |
| 0:10.0 | and I am so excited for today's episode because we are doing a deep dive recap of my recent |
| 0:17.7 | interview with one of the leading body composition researchers in the world, |
| 0:23.2 | Dr. Bill Campbell. |
| 0:25.2 | This episode was absolutely packed with cutting edge science, |
| 0:30.0 | especially around one of the hottest topics in women's health and fat loss right now, |
| 0:35.7 | menopause and weight loss resistance. |
| 0:38.2 | We talked about whether weight loss resistance is real, |
| 0:42.0 | why some women seem to stop responding to traditional dieting approaches |
| 0:46.0 | during pari menopause and menopause. |
| 0:49.2 | The role of sleep protein resistance training together on fat loss. His recent study on rapid fat loss |
| 0:58.1 | protocols, which ended up having completely different results than I think most people would |
| 1:04.2 | have expected and really potentially shifts the entire way that we look at rapid fat loss protocols when they are done with protein. |
| 1:14.3 | We also talk about GLP1 medications, lean mass preservation, reverse dieting, and the best ways to add more calories without gaining weight, |
| 1:23.6 | protein timing, and even the latest research that to his lab did on overfeeding carbs versus fats. |
| 1:31.7 | And the results were very interesting. So what I appreciate the most about Dr. Campbell is he's |
| 1:38.3 | willing to investigate difficult questions scientifically without dismissing women's experiences or abandoning evidence-based thinking. |
| 1:48.1 | He's actually quite brilliant at balancing the two. |
| 1:51.7 | And this is exactly the kind of conversation that we need more of in the health and fitness world. |
| 1:58.6 | So today I'm going to break down some of the biggest |
| 2:01.2 | takeaways from our conversation. Mine all of that gold, all of those gems for you from |
... |
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