Headshot of Michelle Seguin, MD, FAAFP, DipABLM, IFMCP a board-certified Family and Lifestyle Medicine physician and certified functional medicine practitioner

Michelle Seguin, MD

MD, FAAFP, DipABLM, IFMCP

Michelle Seguin, MD, FAAFP, DipABLM, IFMCP is a board-certified Family and Lifestyle Medicine physician and certified functional medicine practitioner. With over a decade of experience spanning clinical care, community health innovation, and medical education, she specializes in integrative, root-cause approaches to wellness through food as medicine and lifestyle interventions.
Dr. Seguin currently practices at Root Functional Medicine, a telemedicine-based practice focused on personalized, root-cause care. She previously served in rural primary care in Michigan’s Upper Peninsula, where she secured grant funding to design and implement the region’s first produce prescription program and publish its outcomes research in Health Promotion Practice. As Director of Community Health at the Portage Health Foundation, she expanded regional capacity for food and nutrition initiatives, including farm-to-school programs, expansion of SNAP at local farmers’ markets, and culinary medicine education. She has held academic appointments at Michigan State University College of Human Medicine and Augusta University, where she co-developed curriculum in culinary and lifestyle medicine and received multiple teaching awards. Dr. Seguin has presented at national conferences, including the Institute for Functional Medicine, and publishes a weekly Substack newsletter exploring the intersections of food, health, and seasonal living.

Read Michelle Seguin, MD's Posts

A weight plate and folded towel on a white surface with morning light, representing fasted training and exercise during intermittent fasting

Working Out While Fasting: Smart Strategy or Quiet Sabotage?

It’s a cold morning. Black coffee. Gym bag by the door. You…

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Warm morning sunlight casting long window shadows across a bare oak countertop, suggesting the passage of time during an intermittent fasting window

12-Hour Fast vs 16-Hour Fast — Which One Is Actually Right for You?

Quick answer Both 12-hour and 16-hour fasts can support your health —…

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a woman checking her phone beside a breakfast meal and a blender with 12.00 written on it

12-Hour Intermittent Fasting: All You Need to Know

Intermittent fasting is known for being a customizable eating routine that can…

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Does a Protein Shake Break a Fast?

You finish a fasted workout, muscles shaking, and stare at the shaker…

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sauna picture

Sauna While Fasting: Helpful Combo or Overheat Risk?

You’ve been fasting all morning, energy steady, coffee done. Then you glance…

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Alternate Day Fasting: Science, Benefits, and Tips

What to know/TLDR: Always speak to your doctor or a registered dietitian…

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A medical stock photo of a young caucasian woman experiencing stomach pain while sitting on a light gray couch.

Bloating During Fasting: Why It Happens and How to Fix It

You’re not eating, but your belly still feels full of air. What…

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An educational infographic illustration featuring a split-screen composition with vitamins and fasting concepts. On the left side, colorful vitamin supplements including capsules, tablets, and gummy vitamins are arranged on a clean white surface with soft shadows. On the right side, a minimalist clock face showing intermittent fasting hours is depicted with elegant typography reading "Do Vitamins Break a Fast?"

Do Vitamins Break a Fast?

It’s early in your fast. You’ve skipped breakfast, your coffee is black,…

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A clean and modern infographic poster focused on the question "Does Lemon Water Break a Fast". A single, translucent lemon slice rests in a clear glass of water

Does Lemon Water Break a Fast?

You roll out of bed, squeeze half a lemon into warm water,…

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chewing gum featured illustration

Can You Chew Gum While Intermittent Fasting?

Hour thirteen of a sixteen-hour fast. Hunger kicks in, so you grab…

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