Can I do ProLon® if I’m pregnant? 22 February 2022 07:42 We suggest not following ProLon® if you are pregnant. Related articles Can I use ProLon® with an existing health condition? Do you experience ketosis while on ProLon®? Can I do ProLon® while breastfeeding? Can I participate in this program if I have a precedent of allergies, or maybe gluten or lactose intolerance? Why should I avoid extreme temperature environments while on ProLon®?