Office Hours: How to Choose the Best Diet for Your Body

The Dr. Hyman Show

Dr. Mark Hyman

Health & Fitness, Medicine, Nutrition

4.6 • 8.7K Ratings

🗓️ 12 January 2026

⏱️ 34 minutes

🔗️ Recording | iTunes | RSS

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Summary

What Should I Actually Eat? Diet confusion is everywhere. But the truth is, there’s no one-size-fits-all diet. The best diet is the one that works for your biology. In this Office Hours episode, I answer your most common diet questions and break down the core principles everyone should understand before choosing how to eat. In this episode I break down: • Why the “best diet” is personalized—and why ideology should never override biology • The universal principles everyone should follow, regardless of diet • Why ultra-processed foods—not carbs, fat, or protein—are the real problem • How blood sugar dysregulation drives chronic disease, including mental health issues • Keto, paleo, vegan, and Mediterranean: who they help, common mistakes, and what to watch for • How to tell if your diet is working—using symptoms, energy, digestion, mood, and labs Your body is the smartest doctor in the room. The key is learning how to listen. Visit ⁠functionhealth.com⁠ for 160+ lab tests at just $365 a year. Helpful Resources: Join the 10-Day Detox to Reset Your Health https://drhyman.com/pages/10-day-detox Have a question you’d love answered on Office Hours? Submit it here 👉 https://docs.google.com/forms/d/e/1FAIpQLSdNF2y4lFWEOMLlzVNlFDpJ4xl7oOpH9NlImMoHr5mHggL_Ww/viewform?usp=header

Transcript

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0:00.0	Welcome to office hours. This is our dedicated one-on-one space to go deeper, get clear, and explore what truly moves the needle for your health.
0:19.4	I'm Dr. Mark Hyman, and each week
0:20.9	we're going to pull back the curtain and share the insights, the research, the lessons that
0:24.3	don't always make it into our conversations with guests. Because at the end of the day,
0:28.7	you are the CEO of your own health. And for many of you, your family's health too. And you
0:33.3	might not feel it all the time, but you have far more power and agency than you realize.
0:38.2	I'm glad you're here. This episode is brought to you by Function Health, empowering you to live 100 healthy years
0:46.2	with over 160 lab tests at just $365 a year. Sign up today at functionhealth.com slash mark
0:52.9	and use code Mark 2026 to get $50 towards your
0:56.0	membership. Hi, Dr. Hyman. This is Christine from Pennsylvania. And I really want to start
1:04.5	26 making better choices with food.
1:15.9	But there are so many diets out there, I just don't know which one is right for me.
1:17.4	There's so much conflicting information.
1:23.4	Can you just break down what the best diets are and who they're for?
1:25.6	Thanks for your question, Christine.
1:46.5	Funny enough, a few years ago, I wrote a book called Food, What the Heck Should I Eat? I wanted to call it what the F should I eat, but my publisher wouldn't let me. But it's the question that pretty much everybody asks and ask me, what should I eat? What's the best diet? Should I be keto? Should I be paleo? Should I be vegan? Should I eat Mediterranean? What's the truth about food?
1:48.3	What's the best diet?
1:54.4	Well, the truth is, the best diet is the one that works for your biology.
1:55.5	We're all different.
1:56.9	There isn't one size fits all.
2:03.5	And the beautiful thing about functional medicine is that it's personalized. It's personalized. It's about you and your unique biology. You're not a homogenous human. And that's how medicine
2:09.5	studies things on homogeneous humans. You're an individual with individual needs, genetics,
	...

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