LMNT is a tasty electrolyte drink mix with more salt, and zero sugar or dodgy ingredients — perfect for active lifestyles, low-carb or keto diets, fasting, and those committed to their health. Electrolytes, particularly sodium and potassium, are the driving force behind energy ...LMNT is a tasty electrolyte drink mix with more salt, and zero sugar or dodgy ingredients — perfect for active lifestyles, low-carb or keto diets, fasting, and those committed to their health. Electrolytes, particularly sodium and potassium, are the driving force behind energy production — from neurons to muscles to every heart beat.