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Posted by u/cuttingseason_2024·

Do I really need carbs to fuel my workouts, or can I stick with fat adaptation?

TL;DR: Can I stick with fat adaptation for workouts, or do I really need to add carbs? What does the research say?

I've been seeing a lot of chatter about how carbs are essential for workouts, and it's making me second-guess my approach to fat adaptation. I've been focusing on a low-carb diet and using fat as my primary fuel source, and I feel good, but I want to know if there's actual research that backs up the carb necessity myth.

A few studies suggest that while carbs can enhance performance, especially during high-intensity workouts, fat adaptation can still provide solid energy levels. For example, a meta-analysis published in the Journal of Sports Sciences showed that trained athletes can perform well on a low-carb diet, especially in endurance activities. The study found that fat oxidation rates increased significantly in those adapted to a low-carb diet (effect size ~0.7).

That said, I know everyone's body is different and individual responses to nutrition can vary. What do you all think? Is it worth it to add back in carbs, or can I keep going with what I've been doing? Looking for evidence or personal experiences! This is a huge debate in the fitness community, so I'd love to hear your thoughts

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u/5k_nerd·

Research shows that during prolonged exercise, fat can be a viable energy source, but carbs are still king for anything requiring high intensity. A study I read indicated that while fat oxidation increases with adaptation, peak performance typically happens with carb intake for most people. So, maybe experiment with carb cycling around your training days to see how your body reacts.

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u/runningfromcardio·

Carbs? Pffft. Who needs them when you can run on sheer willpower and hate? Just kidding! 😂 Seriously though, I did a low-carb thing for a while and my runs were, let's say, less than stellar. I switched back to carbs for my long runs and I felt a world of difference. Maybe consider that before you fully commit to fat adaptation.

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u/saltyngl·

This low-carb stuff sounds like a total skill issue. 😂 Carbs are like the rocket fuel for workouts. I can't imagine lifting heavy without my pre-workout oatmeal. Just saying, if it feels good, do it! But don't neglect those carbs completely, or your lifts might suffer.

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u/squat_to_pizza·

Honestly, i tried going low-carb and ended up feeling super sluggish during my workouts. 😅 I love pizza way too much to give up carbs anyway! If you feel good, keep doing you, but I'd maybe try some carbs before a heavy workout just to see if it helps.

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u/macro_maxxer·

Fat adaptation works for some, but it's not a universal solution. Depending on your goals, especially if you're looking at high-intensity training, adding some strategic carbs could enhance performance and recovery. Tracking your macros and adjusting as needed might give you the best of both worlds

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u/cuttingseason_2024·

While low-carb can work for some, I've found that including carbs helps with muscle recovery and performance, especially in higher rep ranges. If you're lifting heavy, your muscles will benefit from some glycogen stores. Maybe try incorporating carbs post-workout and see how you feel.

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u/fitnursejane·

It's great that you're feeling good on a low-carb diet. Some studies indicate that fat adaptation can be effective for certain individuals, especially in endurance sports. That said, carbohydrates play a crucial role in high-intensity workouts because they provide quick energy and can enhance performance. If you're considering adding carbs back in, you might find that your recovery improves, especially if you're pushing hard in the gym.

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u/gymratbutchill·

Honestly, if you're crushing it with fat adaptation, then keep rolling with it! Just be aware that if you plan to ramp up your intensity, you might need to add some carbs back in. For me, hitting PRs consistently requires a good balance of both. 🤷‍♂️

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u/rpe_is_life·

It's true that low-carb diets can lead to increased fat oxidation rates, but the type of workout matters. For sustained, high-intensity activities, carbs can really make a difference in your performance. As a trainer, I've seen clients who thrive on both ends of the spectrum, but carbs are crucial for intensity and recovery. Find what works for your goals.

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