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Fasting For Life

Ep. 297 - Volumetric Diet vs Intermittent Fasting Study | 16:8 Time-Restricted Eating Wins for Adherence | Low vs High Hedonic Foods | Breaking Fasts with Volume Foods | Sustainable Weight Loss | New Fasting Persona Quiz!

Fasting For Life

Scott Watier

Nutrition, Alternative Health, Health & Fitness

4.61.1K Ratings

🗓️ 2 September 2025

⏱️ 30 minutes

🧾️ Download transcript

Summary

This episode analyzes a groundbreaking 12-week study comparing volumetric diet approaches with 16:8 time-restricted eating, revealing why intermittent fasting leads to better long-term adherence and sustainability. Dr. Scott and Tommy break down research showing that while both groups achieved similar weight loss and body composition improvements, the fasting group maintained 83% adherence (5.8 days per week) compared to 76% for the volumetric diet group - a crucial 7% difference that compounds significantly over time. Learn about the hedonic food scale and how high-hedonic foods (chocolate, chips, nut butters) versus low-hedonic foods (vegetables, soups, melons) impact your fasting success and food choices. Discover how to combine the best of both approaches by using volumetric eating principles as fast-breakers - incorporating water-based soups, raw vegetables with salsa, and high-water fruits to naturally reduce caloric density while maintaining satisfaction. The hosts explain why fasting simplifies decision-making, reduces food noise, and eliminates decision fatigue compared to calorie counting and macro tracking. Get practical strategies for closing eating windows successfully, preventing late-night pantry raids, and using volumetric foods as stepping stones toward cleaner fasting habits. This episode provides evidence that fasting's simplicity leads to better long-term results, while offering tactical ways to leverage volume eating during nutrition windows for enhanced satiety and easier window closure, ultimately supporting sustainable weight loss without the complexity of traditional diet approaches. ⁠Take the NEW FASTING PERSONA QUIZ! - The Key to Unlocking Sustainable Weight Loss With Fasting!⁠⁠⁠⁠⁠⁠ Resources and Downloads: ⁠⁠⁠⁠⁠⁠SIGN UP FOR THE DROP OF THE ULTIMATE GUIDE TO BLOOD SUGAR CONTROL⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠GRAB THE OPTIMAL RANGES FOR LAB WORK HERE! - NEW RESOURCE! ⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠FREE RESOURCE - DOWNLOAD THE NEW BLUEPRINT TO FASTING FOR FAT LOSS!⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠SLEEP GUIDE DIRECT DOWNLOAD⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠DOWNLOAD THE FASTING TRANSFORMATION JOURNAL HERE!⁠⁠⁠⁠⁠⁠ Partner Links: Get your⁠⁠⁠⁠⁠⁠ FREE BOX OF LMNT⁠⁠⁠⁠⁠⁠ hydration support for the perfect electrolyte balance for your fasting lifestyle with your first purchase⁠⁠⁠⁠⁠⁠ here!⁠⁠⁠⁠⁠⁠ Get ⁠⁠⁠⁠⁠⁠25% off a Keto-Mojo⁠⁠⁠⁠⁠⁠ blood glucose and ketone monitor (discount shown at checkout)! ⁠⁠⁠⁠⁠⁠Click here!⁠⁠⁠⁠⁠⁠ Our Community: Let’s continue the conversation. Click the link below to JOIN the ⁠⁠⁠⁠⁠⁠Fasting For Life Community⁠⁠⁠⁠⁠⁠, a group of like-minded, new, and experienced fasters! The first two rules of fasting need not apply! If you enjoy the podcast, please tap the stars below and consider leaving a short review on Apple Podcasts/iTunes. It takes less than 60 seconds, and it helps bring you the best original content each week. We also enjoy reading them! Article Links: https://pmc.ncbi.nlm.nih.gov/articles/PMC12175453/pdf/12937_2025_Article_1167.pdf

Transcript

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0:00.0

Hello, I'm Dr. Scott Wadier.

0:03.0

And I'm Tommy Welling, and you're listening to the Fasting for Life podcast.

0:07.0

This podcast is about using fasting as a tool to regain your health, achieve ultimate wellness, and live the life you truly deserve.

0:15.0

Each episode is a short conversation on a single topic with immediate actionable steps.

0:20.0

We cover everything

0:21.2

from fat loss and health and wellness to the science of lifestyle design. We started fasting

0:26.0

for life because of how fasting has transformed our lives and we hope to share the tools

0:30.0

that we have learned along the way.

0:31.6

Hey everyone, welcome to the Fasting for Life podcast.

0:42.3

My name is Dr. Scott Wadier, and I'm here as always.

0:44.3

I'm a good friend and colleague, Tommy Welling.

0:45.3

Good afternoon to you, sir.

0:46.3

Hey, Scott, how are you?

0:48.3

Doing fantastic, my friend, excited for today's conversation.

0:51.3

We're going to talk about a study that came out of the Journal of Nutrition

0:56.4

in 2025 back in January, and its similar body composition outcomes following a volumetric

1:03.0

diet and time-restricted eating in middle-aged individuals, a 12-week randomized controlled

1:08.0

trial.

1:09.0

Excide to have this conversation. We're going to talk about

1:11.5

long-term sustainability. We're going to talk about choose your own adventure, fasting versus

1:16.2

ad libidum eating or kind of the eat less, move more, calorie in, calorie-out tracking type

1:22.5

model. And as always, we'll apply it to a fasting lifestyle and give you our thoughts on it and

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