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Dietitians Say This is the #1 Thing to Avoid on Thanksgiving

Written by O2 Fitness Clubs | Nov 24, 2025

Thanksgiving is a time for gratitude, family, and, of course, incredible food. But for many health-conscious individuals, it can also be a source of anxiety. We often approach the holiday with a "feast or famine" mentality, setting strict rules that can backfire and leave us feeling more stressed than thankful.

That’s why we asked our team of expert Registered Dietitians for their number one tip for a healthier, happier Thanksgiving dinner.

Their unanimous answer might surprise you.

The #1 Thing to Avoid This Thanksgiving: Skipping meals all day to "save up" for the big dinner.

It seems logical, right? If you’re going to have a large, calorie-dense meal in the evening, shouldn’t you "bank" those calories by skipping breakfast and lunch?

Our dietitians say this is the biggest mistake you can make, and here’s why.

Why "Saving Calories" Backfires

  1. It Primes You for Overeating: When you arrive at Thanksgiving dinner ravenous, your body’s primal instincts take over. Your brain is screaming for immediate energy, drastically lowering your willpower and making it much harder to practice mindful eating. You’re far more likely to go straight for the heaviest, richest foods and eat them quickly, often surpassing the number of calories you "saved" earlier in the day.

  2. It Slows Your Metabolism: Your body is a finely tuned machine that expects a steady supply of fuel. When you deprive it for long periods, it can interpret this as a sign of scarcity and begin to conserve energy (i.e., burn calories slower). This is the opposite of what you want for a healthy, active metabolism.

  3. It Robs You of Enjoyment: Thanksgiving is about savoring flavors and connecting with loved ones. When you’re overly hungry, you tend to eat fast, barely tasting the food you were so looking forward to. You might end up feeling uncomfortably full and sluggish, rather than satisfied and happy.

The Optimal Thanksgiving Food Strategy

So, if starving yourself is out, what’s the better approach? Our dietitians recommend a strategy we call "Feast Without the Famine." It’s about nourishing your body wisely throughout the day so you can consciously enjoy your feast.

Here’s your game plan:

  • Start with a Balanced Breakfast: Don’t skip it! Enjoy a meal with protein, healthy fats, and fiber to stabilize your blood sugar and keep hunger at bay. Think Greek yogurt with berries, a veggie omelet, or a small smoothie.
  • Have a Light, Protein-Packed Lunch: A few hours before the big dinner, have a small snack or light meal. This is not the time for a bag of chips. Aim for something like a handful of almonds and an apple, a hard-boiled egg, or some hummus and veggies. This small boost of protein and fiber will take the edge off your hunger.
  • Hydrate, Hydrate, Hydrate: Drink plenty of water throughout the day. Sometimes, thirst masquerades as hunger. Staying hydrated will help you feel your best and aid digestion.

By following this simple plan, you’ll walk into Thanksgiving dinner feeling in control. You’ll have the mental clarity to fill your plate thoughtfully, savor each bite of your aunt’s famous stuffing, and stop when you’re pleasantly full (not stuffed to the point of regret.)

Your Holiday Mindset Shift

This Thanksgiving, shift your focus from restriction to celebration. The goal isn't to eat perfectly; it's to enjoy the holiday mindfully and without stress.

Remember: One meal does not define your health journey. It’s the consistent habits you practice over weeks and months that matter most. Enjoy your Thanksgiving feast, savor the moments with your family, and get right back to your healthy routine the next day.

Ready to build a sustainable, balanced approach to nutrition that lets you enjoy every season? Our Registered Dietitians at O2 Fitness are here to help you create a personalized plan that fits your lifestyle and goals. Schedule a nutrition consultation today and make your wellness journey a celebration, not a struggle.