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Optimal Protein Podcast with Vanessa Spina

Part 2: PSMF Ask Me Anything: Rapid Fat Loss, Protein to Protect Muscle, Fat and Carb Re-Feeds & Hormones

Optimal Protein Podcast with Vanessa Spina

Vanessa Spina

Fitness, Health & Fitness, Nutrition

4.5758 Ratings

🗓️ 14 November 2025

⏱️ 59 minutes

🧾️ Download transcript

Summary

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This is Part Two of our PSMF Ask Me Anything series!

In this episode, Vanessa answers your most practical and frequently asked questions about how to implement a Protein-Sparing Modified Fast in real life — including how to adapt it around your family, your menstrual cycle, different body sizes, refeeds, supplements, ketone readings, and even how various PSMF philosophies compare.

You'll hear evidence-based guidance grounded in human clinical research on very-low-calorie ketogenic diets (VLCKD), high-protein fat-loss interventions, and metabolic studies, delivered in an easy, conversational format.

Whether you're using PSMF for fat loss, metabolic health, or body recomposition, today's episode gives you the clarity and confidence to personalize the approach while protecting muscle, metabolism, and hormonal wellness.

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🧬 Topics Covered Today

  • How to cook and meal plan for yourself and a family

  • Exactly what Vanessa eats on a PSMF day (plus a non-PSMF day)

  • Whether the traditional 800–1000 kcal PSMF applies to smaller, active women

  • EAAs vs. creatine: what's worth taking on rest days

  • How to approach refeeds when you struggle mentally with "letting go"

  • Whether 5-day PSMF blocks are safe and effective

  • PSMF bread without egg powder—what works and what doesn't

  • Jockers vs. Emmerich: comparing two popular PSMF styles

  • Vanessa's typical ketone readings throughout a PSMF day

  • Ideal protein targets during PSMF

  • Using rice and other carbs strategically in refeeds and maintenance

🧠 Mentioned in This Episode

  • Get 20% off the Tone device HERE

📚 Studies Mentioned

1. Very-Low-Calorie Ketogenic Diets for Fat Loss & Hormones

Pandurevic et al. (2023), Endocrine Connections

2. VLCKD in Postmenopausal Women

Pala et al. (2024)

3. Lean Mass Preservation During Rapid Weight Loss

Merra et al. (2016)

4. Metabolic & Cardiovascular Benefits of VLCKD

Guarnotta et al. (2022), Nutrients

5. Refeed Strategies & Metabolic Rate

  • MATADOR Study: intermittent dieting (2 weeks on/2 weeks maintenance) preserved metabolic rate and improved fat loss compared to continuous dieting.

Get my free NEW high-protein keto guide: The Keto Reset eBook

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Free high-protein keto guide: The Keto Reset eBook

👤 Connect with Vanessa:

• Instagram: @ketogenicgirl

• 🔗 Learn more about the TONE Breath Ketone Analyzer — 20% OFF with code VANESSA

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📱 Follow @ketogenicgirl for the latest studies and strategies on fat loss and protein optimization

📸 Follow @optimalproteinpodcast for episode visuals and updates

💬 Join the Facebook group: Optimal Protein Podcast Community

🎙 The content in this podcast is for informational purposes only and not nutritional or medical advice. Always consult your healthcare provider before making major dietary or lifestyle changes.

Transcript

Click on a timestamp to play from that location

0:00.0

Welcome to the Optimal Protein Podcast. I'm Vanessa Spina.

0:04.7

Hello, my friends. Welcome back to the podcast. I'm your host Vanessa and I am so excited for today's episode because today we are doing part two of this Ask Me Anything special episode all about protein sparing modified fasting.

0:20.4

On Monday we had part one and I answered the first

0:23.8

half of all of your brilliant questions. And on today's episode, we have part two and we are

0:29.7

continuing with more of your fantastic questions about protein sparing modified fasting.

0:35.5

I truly love covering this topic because I have personal recent experience with it.

0:42.2

And today's episode, the questions, focus a lot on practical implications.

0:46.2

So designing family meals, calories, refeeds, longer PSMF stretches, supplements, two popular PSMF approaches, and debating the merits

1:00.1

of each and ketone readings and more. So I am super excited to get into today's episode and we

1:06.4

are going to jump right in after this quick break. It's Black Friday savings season, and this is a big one.

1:14.7

Now, you all know how much I love bioptimizers. Their products are truly science-based and lab tested,

1:22.2

from my favorite magnesium breakthrough that I never travel without, to mass zimes for digestive support and better

1:29.8

nutrient absorption and beating bloat right now you can actually save 25% off the biggest

1:37.6

savings they offer all year and this is now until December 3rd this is only only through my link, bioptimizers.com slash Vanessa, V-A-N-E-S-S-A.

1:49.4

And you'll also get exclusive free gifts with select purchases.

1:54.2

So head to bioptimizers.com slash Vanessa and use the code Vanessa, V-A-N-E-S-A, and grab your favorites while this Black Friday

2:03.5

sale offer is live. After December 3rd, the deal will be gone. So don't miss it. Well, welcome, my

2:11.6

friends, to the episode. I'm so happy to be here with you all. Now, I have to start out just by

2:17.1

quickly thanking each of you

2:19.5

who personally took the time to message me last week in the last week when Monday's episode

2:27.0

went out for, I think, the first time ever completely unedited and raw. And so it didn't have the music. It didn't have any sponsors on the

2:36.7

episode. And I have to thank each of you for taking the time to just send me a quick message and let

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