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Depends on the diet. Low carb on its own can work because you can eat between 20 and 50 grams of carbs in a day, but ketosis is limited.(which might be okay depending on one's goals) Keto is shit for working out, in my personal opinion. Some people claim they can have effective workouts on keto, but I hate it, and a lot of others have a hard time having energy when training on keto. Keto is good for weight loss, and I lost 60 lbs in 5 months doing keto, but it's total crap for building muscle, in my experience. The best compromise, in my experience, is fasting. I'm talking ideally 48 hours between meals. I'll keep it short because I've been spamming threads about this topic recently; because fasting forces the body to solely burn through its glycogen stores, and then body fat once that runs out, ketosis becomes easier to achieve even if there are some carbs in meals, and the presence of carbs in meals provides glycogen for when you workout and train your muscles. I believe this is needed, especially for HIIT. In my experience, you can eat a modest amount of carbs when breaking a fast and still manage to get back into ketosis(fat burning mode!) within a few days. It totally outperforms keto in that it often takes people several days, possibly weeks, to get into deep ketosis. That said, a low carb, but not necessarily keto, diet can work for someone doing HIIT. Everyone's body is different. A person may find that they want more carbs in order to be effective in the gym, but if they're trying to get lean, then that can compromise their goal, in which case they should reduce their eating frequency a la fasting. A person who is either building muscle or maintaining body composition may not need to do a low carb diet at all. |
(Keto vs non-keto is night and day for me, brain fog vs no brain fog, energy for life vs not being able to get off the couch)