Definition
Ketosis is a metabolic state where the body relies on burning fat for fuel resulting in ketones as the primary energy source instead of glucose.
Explanation
- Carbohydrate restriction to under 50g daily forces the liver to break down fat into ketones for energy use, entering nutritional ketosis.
- Ketosis suppresses appetite, accelerates fat burning, preserves muscle, and provides mental clarity according to advocates.
- Testing with urine strips or blood monitors tracks ketone levels. The goal is 0.5 – 3.0 mmol/L ketones.
- Some feel fatigued, irritable, or get bad breath as the body adapts. Stay hydrated and get enough electrolytes.
Examples
- Checking urine ketones after 3 days of low-carb, high-fat intake.
- Adding MCT oil to coffee to raise ketone production.
Related Terms
- Ketogenic diet, gluconeogenesis, keto-adapted, keto flu
Common Questions
- Is ketosis dangerous? Nutritional ketosis is considered safe but monitor how you feel. Ketoacidosis is the unhealthy type.
- How can I tell if I’m in ketosis? Check urine strips or blood meters. Symptoms like suppressed appetite and urine odor also indicate ketosis.
Do Not Confuse With
- Glycogenesis – The conversion of glucose into glycogen for storage.
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