Protein Fasting: The Upgrade to Intermittent Fasting for Sustainable Fat Loss

Is fasting really the best way to lose fat — or is there a smarter, more strategic approach?

In this masterclass episode, Vanessa introduces a powerful new concept: Protein Fasting — a structured approach using PSMF (Protein-Sparing Modified Fast) days to optimize fat loss, suppress appetite naturally, protect muscle, and potentially tap into fasting-like cellular signaling.

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You'll learn:

• Why alternate day fasting isn't superior for fat loss

• How ketones directly suppress hunger hormones

• Why protein is the most powerful appetite-regulating macronutrient

• The optimal protein intake range for protecting muscle during fat loss

• What a new human autophagy study actually reveals

• Why 1–3 strategic PSMF days per week may outperform traditional fasting

If you've ever struggled with hunger while dieting — this episode will change how you think about strategenic fat loss periods without dealing with hunger adn cravings.

This episode also serves as a scientific primer for Vanessa's structured PSMF Library. Sign up HERE to be the first to know when the new PSMF Library has been released!

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Vanessa discusses how using the Tone Device is a proxy for fat loss and autophay on Protein Sparing Modified Fasting (PSMF) days! 👉 Use code VANESSA for 20% off HERE

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

Free high-protein keto guide: The Keto Reset eBook

👤 Connect with Vanessa:

• Instagram: @ketogenicgirl

📱 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.

As always: prioritize protein.

📚 SCIENTIFIC REFERENCES

1. Trepanowski JF, et al. (2017). Effect of Alternate-Day Fasting vs Daily Calorie Restriction on Weight Loss and Cardioprotection. JAMA Internal Medicine.

2. Stubbs BJ, et al. (2018). On the metabolism of exogenous ketones and their effects on appetite. Obesity.

3. Sumithran P, et al. (2013). Ketosis and appetite-mediating nutrients after weight loss. European Journal of Clinical Nutrition.

4. Arciero PJ, et al. (2016). Protein pacing caloric restriction improves body composition and metabolic parameters. Nutrients.

5. Hector AJ & Phillips SM. (2018). Protein recommendations for weight loss in athletes. International Journal of Sport Nutrition and Exercise Metabolism.

6. Jäger R, et al. (2017). ISSN Position Stand: Protein and Exercise. Journal of the International Society of Sports Nutrition.

7. Burns L, et al. (2025). Effects of low- vs higher-protein fasting-mimicking diets on autophagy and body composition. Clinical Nutrition.