"I have been following a low carb diet for years, and I still replenish electrolytes daily. However, replenishing is particularly important when you initially switch from a high carb to a low carb diet. During the initial week or so after you switch, it is common to experience low carb or keto flu symptoms. This brings me to the thing you’ll lose when you cut carbs that you’ll miss, but you’ll get back, which is energy."
Excerpt From: 4 Things You Lose When You Cut Carbs: