Also worth noting is the fact that when your body stores glycogen, it does so by binding it to water molecules in a ratio of 1g glycogen : 4g water (iirc). So i

Also worth noting is the fact that when your body stores glycogen, it does so by binding it to water molecules in a ratio of 1g glycogen : 4g water (iirc). So increasing your carbohydrate intake also increases the amount of water you retain. Transitioning to a lower carb intake and utilising some of that stored glycogen releases the water molecules and increases the amount of circulating water molecules in your system, some of which will be excreted. So yeah, you should notice an increase in urination when transitioning to a lower carb / keto style diet.