Dehydration can cause the dizziness as well as lack of nutrition. You don't state how many grams of protein or liquids you are consuming. A deficit of either will also cause the stall to last longer.
If you work retail, how often are you able to eat/drink during your shift? You need something every hour to drink and every 3 to eat in these early stages. How is urine ouput and color?
Try warm tea, or popsicles for fluid or crystal light half and half w a clear protein drink in a thermal cup.