Summary
Highlights
The discussion begins with common inquiries about supplements that can improve insulin sensitivity, such as magnesium, alpha lipoic acid, berberine, and apple cider vinegar.
All mentioned supplements are effective. Berberine is highlighted for its compelling evidence. Apple cider vinegar is a personal favorite due to its acetic acid, a short-chain fat. Short-chain fatty acids are often lacking in modern diets due to reduced consumption of fermented foods. Acetic acid in apple cider vinegar reduces hepatic gluconeogenesis, which is highly relevant for individuals with type 2 diabetes by preventing the liver from dumping excess glucose into the blood. It also stimulates AMPK, similar to exercise, which helps muscles take in glucose without insulin.
Apple cider vinegar's benefits extend to mitochondrial biogenesis and uncoupling. Taking a couple of tablespoons before a starchy meal can significantly lower glucose curves. The speaker draws parallels between acetic acid, lactate, and other short-chain fatty acids like malate found in tart fruits, suggesting a common signaling mechanism.
Beta-hydroxybutyrate, a main ketone, acts as both a nutrient and a signaling molecule, eliciting anti-inflammatory and antioxidant effects. Exogenous ketones are gaining traction, with studies showing improvements in metabolic markers and PCOS in women. The speaker emphasizes ketones as beneficial signaling molecules that promote satiety and enhance mitochondrial uncoupling, helping the body burn glucose faster. While ketogenic diets are restrictive, exogenous ketones offer a way to get the benefits without full dietary adherence, especially for cognitive health.
The importance of proper ketone dosage is discussed to activate beneficial pathways without causing dangerously low blood glucose. The brain, when adapted to ketones, can be more resilient to low glucose levels. However, most people haven't adapted to ketones, and a sugary meal leading to high insulin can inhibit ketogenesis, depriving the brain of its primary fuels: glucose and ketones. The brain has a high metabolic rate and no significant energy reservoir, requiring constant fuel.