Can I consume the foods contained in the ProLon® 5-day kit every other day? 29 June 2022 15:01 No. To follow ProLon® 5-day correctly, it is necessary to consume all meals during 5 consecutive days, as planned. Related articles Can I do two consecutive ProLon® 5-day cycles? Do ProLon® 5-day Menus 1 and 2 contain nickel? Can I chew a gum during ProLon® 5-day? Do the Longevity Guidelines represent a personalized diet? Can I do ProLon® 5-day if during menstrual cycle?