This type happens during the first several weeks of carb reduction because the body has not had time to create the enzymes or metabolic state to burn internal fat stores for fuel. (ketogenic-diet-resource.com)
This is usually the level where carb reduction introduces statistically significant advantages of being in ketosis, and a greater rate of fat loss when compared to other diet plans. (lowcarbediem.com)
Long - term carb reduction is extremely difficult to handle, especially after a lifetime of high - carb eating. (lowcarbalpha.com)