Those Drops are real Homeopathic so at least you know that's not the issue. I don't know what "cali kicker" means or "isthmus week" either. If you are saying that you miscalculated your drops making your dose off, that would be a huge issue in having further losses. Also, pineapples have a ton of sugar in them, so that would create a major issue as well. Those are not permitted on the diet and would definitely cause a stall.
My advice would be to be sure you are getting the correct dosage every day and do not deviate from the list of protocol foods at all. Have you tried a detox bath? That usually helps me break a stall. Have you been going to the bathroom regularly? Most of us have constipation issues at some point or another that can keep us from losing. If you are constipated, most on here recommend "Smooth Move" tea.
Good luck! Also, remember that it is called "Pounds & Inches" because you are still losing inches even when you aren't losing pounds!