Me and my wife started a low carb, high fat diet 5 weeks ago. We get roughly 70-80% calories from fat and eating less than 30 carbs a day, and moderate protein. We are also supplementing with MCT or coconut oil. I have done very well on the diet, but my wife just hasn’t lost. She is 48 years old and not overweight (139lbs), but she wants to lose some belly fat. So, we bought a blood meter to check ketone levels two weeks ago and she measured 2.8 mmol/L then and today she measured 2.2, so she is well into ketosis. So my question is; Can you be in ketosis and NOT lose weight? This appears to be her situation. Any advice would be appreciated.