Can I use the leftover L-Drink? 21 February 2023 06:41 Updated No, what is left over from the L-Drink bottle should not be used. Related articles Do I have to consume all the herbal infusions during the 5 days? I have a headache. What can I do? I am not home all day, what can I do with the ProLon® 5-day meals? How much water should I drink during ProLon® 5-day? I have muscle aches. What can I do?