Dr. Boz [Annette Bosworth, MD] - Insulin Resistance: 3 Signs You’re Running Out of Time

Short Summary

Main recommendation: Recognize three early signs of insulin resistance (rising fasting blood sugar and A1C, a rise in sleeping blood sugar, and abnormal adiponectin or GAD antibody labs) and act before they progress, using a continuous glucose monitor and a stable eating rhythm. The video uses the case of Patrick V., a meticulous keto dieter whose blood sugars crept up despite perfect adherence and who ultimately needed insulin.

Key Points

• The three signs the title promises are: (1) fasting blood sugar and A1C drifting up despite consistent behavior, (2) a rise in blood sugar during sleep, and (3) abnormal lab markers such as adiponectin and GAD antibodies.
• Morning fasting blood sugar, taken right after waking, reflects baseline metabolism before food, stress, exercise, or cortisol changes add noise.
• A1C reflects how your body has responded to your eating pattern over roughly the past three months.
• In insulin-resistant people, the dawn phenomenon can produce a 30 to 50 point blood sugar rise before waking, instead of the barely visible rise seen in healthy people.
• Patrick's labs showed rising A1C and triglycerides, falling HDL, and normal fasting insulin, and he was later found to have GAD antibodies, meaning his immune system was attacking insulin-producing beta cells.
• The speaker warns against extreme approaches such as 10-day fasts, OMAD, or a month of sardines, and suggests a stable eating rhythm first.

Details Worth Noting

• Concrete instructions: Test your fasting blood sugar first thing in the morning immediately after waking, and the speaker suggests testing on the toilet before other factors affect the reading.
• Concrete instructions: Check your A1C periodically; a stable number is good, while a number that drifts upward is a warning sign.
• Concrete instructions: Use a continuous glucose monitor (CGM), which checks blood sugar about every five minutes, to see what your blood sugar does while you sleep, especially just before waking.
• Concrete instructions: Track with a CGM, keep total carbohydrates under 20 grams per day, and fast strategically, with the first step being a stable, constant eating rhythm before progressing further.
• Concrete instructions: If you have very advanced metabolic problems, the speaker says different rules apply and points to a separate video on eating for a broken metabolism.
• A sleeping blood sugar that stays above 100 suggests insulin resistance, while healthy resting blood sugars drift into the 70s and 80s.
• Obstructive sleep apnea was described as causing blood sugar spikes during breath-holding episodes that reverse once the patient wakes enough to breathe.
• The speaker frames these points as educational and describes her own clinical experience; the transcript does not present them as individualized medical advice.

Bottom Line

Early warning signs of insulin resistance can appear even in people who follow a strict diet, so monitoring fasting blood sugar, A1C, and overnight glucose trends can reveal problems before they become severe.