However, entering into a calorie deficit - in which you consume less calories than you burn off - will result in weight loss, regardless of whether you enter into a ketosis state or not. These side-effects should only last about 3 days and most symptoms usually pass by days 4-6. Following the initial 3 day challenge you will experience an increase in energy and reduction in appetite which, in the Intensive Level, will result in consistent and successful weight loss. It is important to know that these are typical symptoms and you should try to stick to the program as prescribed or otherwise you will simply pro-long these uncomfortable first few days of the OPTIFAST® VLCD™ Program.
The keto diet usually involves a major change in the types of foods you eat. The Ketoscan Mini is the world’s first portable cartridge-based analyser and this measures ketones in the breath in real-time, making it one of the most effective ways to monitor ketosis. This is because ketones are a key fuel source for your brain and they have even been used to treat brain conditions such as concussion and memory loss. After the keto flu has passed, long-term keto dieters often say they have gained increased focus and energy.
If you typically ate a lot of sugary foods prior to your keto diet, it is also likely you are cutting a lot of calories and losing body fat in addition to water. Although the mechanism behind this phenomenon is still being investigated, it is thought that fat supplies a more steady stream of energy than carbs and doesn't cause spikes in blood sugar. Additionally keto foods are satiating and ketosis may suppress hunger hormones . Nutritional ketosis is only achieved once your body starts producing enough ketones to become the primary source of fuel for your muscles and organs.