Many people experience some ketone body production and metabolism well eating SAD (standard American diet). Fasting overnight and skipping breakfast, or having

Many people experience some ketone body production and metabolism well eating SAD (standard American diet). Fasting overnight and skipping breakfast, or having a long workout more than 4-5 hours after your last meal will cause this. Nutritional ketosis, unlike ketoacidosis is a loosely defined term. Everyone has experienced it on some level. Perhaps just not at extreme levels like people pursing NK with vigour.