The Dr. Francavilla Show

Custom GLP1 Dosing With Dr. Ian Justl Ellis of Voafit

• Dr. Francavilla

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What if the reason so many people struggle on GLP-1 medications isn’t the medication itself — but the way it’s being dosed?

Today we’re diving into something that could genuinely change the way you think about GLP-1 therapy: custom dosing. And there is honestly no one better to talk about this with than Dr. Ian Justl Ellis.

Dr. Ian is a board-certified physician, certified personal fitness instructor, and the creator of the MyLevel GLP-1 Precision Dosing Engine. He’s also the founder and CEO of VOA Fit, where he provides highly personalized concierge care through advanced GLP-1 therapy, hormone optimization, and peptide protocols — all paired with real-world fitness and nutrition strategies. Before transitioning into obesity medicine, he spent a decade in emergency medicine.

What makes his perspective especially valuable is how he bridges clinical expertise with lived experience in weight management. His work doesn’t just focus on prescribing GLP-1s, but on optimizing how they’re actually used in real-world patients. And that’s exactly what this conversation is about — how dosing strategy can completely change outcomes.

Topics discussed:

  • Why GLP-1 results may depend more on dosing than the medication itself
  • Dr. Ian’s early belief in discipline — and why it eventually broke down
  • When personal struggle turned into a medical reframe of obesity
  • The first experience with GLP-1s and the reality behind the results
  • Why “dose” isn’t the full story — understanding GLP-1 drug levels
  • Moving from standard protocols to individualized GLP-1 leveling
  • How personalized GLP-1 dosing works in real patients
  • The future of GLP-1 therapy: a more responsive, guided model of care
  • Rethinking weight loss: from fixed doses to adaptive biology

There’s a lot more nuance to GLP-1 therapy than standard protocols tend to show, and this episode really breaks down what happens when dosing becomes personalized rather than fixed.

So if you want to understand how this approach actually works in practice — and why it might completely shift how we think about weight management — tune in to the full episode.


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