Potassium citrate supplement in soluble powder. As such, it is important to take potassium citrate to: The proper functioning of the muscles, preventing spasms and cramps in the muscles. Maintaining good blood pressure. To the normal functioning of the nervous system. In addition, Potassium has an anti-fatigue action and helps maintain the correct water-salt balance in our body. Restoring this balance is especially important following events related to the excessive loss of body fluids (eg: following a food poisoning, gastrointestinal problems or during the summer period)