Summary
Highlights
Dr. Michael Diamonds explains insulin as a storage hormone, using a library analogy where muscles, liver, and brain are shelves, books are glucose, and insulin is the librarian. Insulin resistance occurs when the 'librarian' (insulin) gets overwhelmed by too many 'books' (glucose), leading to glucose being stored as fat and contributing to metabolic disease.
This protocol involves a 24-hour fast once a week (e.g., Sunday 8 PM to Monday 8 PM, skipping breakfast and lunch) and a 16:8 intermittent fasting schedule for the remaining six days (first meal at noon, last meal at 8 PM). This totals 120 hours of fasting per week. Benefits include improved insulin sensitivity, enhanced fat burning, autophagy (cellular spring cleaning), increased energy, mental clarity, and reduced systemic inflammation.
Walking for at least 10-20 minutes after every major meal is a powerful insulin-independent tool. Muscle contractions during walking open GLUT4 receptors, allowing muscles to pull glucose from the bloodstream without needing insulin. Research shows a 17% decrease in blood glucose with just 2-5 minutes of post-meal walking, leading to better energy utilization and reduced fat storage.
Eating protein first, then fiber, and finally carbohydrates can significantly reduce blood glucose spikes. Studies demonstrate up to a 29% decrease in blood glucose within 30 minutes. Protein stimulates GLP-1, slowing gastric emptying and moderating insulin release, while fiber creates a gel-like barrier in the stomach, slowing carbohydrate absorption. This leads to feeling fuller and a 'discount' on carb impact.
Drinking diluted apple cider vinegar (1 tablespoon in 1-2 cups of water) 10-30 minutes before a meal can significantly help. Acetic acid in ACV prevents carbohydrates from fully breaking down, thus decreasing blood sugar spikes and slowing gastric emptying. It also activates AMPK, a metabolic switch that makes cells more responsive to insulin, allowing for better glucose absorption and less fat storage.
The body is most insulin sensitive in the morning and midday. Therefore, it's advised to consume the majority (around 70%) of carbohydrates before 3 PM. Additionally, stopping food intake 3 hours before bedtime (e.g., last meal at 7 PM if sleeping at 10 PM) prevents sugar from passively roaming in the bloodstream, encourages fat burning during sleep, and improves overall sleep quality, which in turn boosts growth hormone, testosterone, and other hormonal profiles essential for metabolic health.