Thomas Kristjan Danilkin

Short answer: Keto flu is the cluster of fatigue, headaches, brain fog, and lightheadedness some people feel in the first days of a low-carb diet. It is mostly a salt-and-water problem. When you cut carbohydrate below roughly 50 grams a day, insulin drops and your kidneys flush out sodium and the water that travels with it. Replacing that sodium, along with potassium and magnesium, is what tends to make the discomfort fade. What is keto flu, actually? Keto flu is not a real flu. There is no...

Short answer: Plain electrolytes do not break a fast. Sodium, potassium, and magnesium carry zero calories and zero glycemic impact, so they do not trigger an insulin response. What breaks a fast is calories, usually the sugar, dextrose, or maltodextrin hiding in flavoured electrolyte powders. While fasting you want the three minerals at a real dose and nothing else. Why do you need electrolytes while fasting at all? When you stop eating, insulin falls. Lower insulin tells the kidneys to...

Short answer: Dehydration is losing water. Electrolyte depletion is losing the minerals dissolved in that water, mainly sodium, potassium, and magnesium. You can have one without the other. Drinking plain water fixes the first and can quietly make the second worse, because every glass dilutes the minerals you have left. Proper hydration means replacing both at the same time. Two different problems that look the same People use "dehydrated" to mean any version of feeling off after sweating....