In this episode, I'm talking about glycemic index. The glycemic index is a system that ranks carbohydrate foods based on how quickly they raise your blood sugar levels after being eaten. The scale typically ranges from 0 to 100, with higher values indicating foods that cause a rapid increase in blood glucose.
Imagine your body as a fireplace and food as the logs you throw in it. The glycemic index tells you how quickly the food will burn. High glycemic index foods (70 or above) cause a rapid spike in blood glucose. They're often low in fiber and quickly digested and absorbed. This food burns like dry kindling: quick energy, but the flames die down fast, which means you'll feel hungry or tired sooner. Examples include white bread, sodas, sweetened coffees and teas, sugary snacks, and many processed foods. Medium glycemic index foods (56 to 69) cause a moderate increase in blood glucose, burning at a steady pace. Examples include whole wheat products, sweet potatoes, sweet corn, bananas, and some types of rice. Low glycemic index foods (55 or less) cause a slow, gradual increase in blood glucose. Examples include most fruits, vegetables, legumes, whole grains, apples, and oats.
Why does it matter? Stable blood sugar equals steady energy and fewer crashes. Low glycemic index foods help maintain steady blood sugar levels, leading to better satiety and easier weight management because they keep you fuller for longer. Diets rich in low glycemic index foods are also better for your heart, helping manage cholesterol levels and reduce the risk of cardiovascular disease. Factors that influence the glycemic index include the type of carbohydrate, fiber content, preparation and cooking methods (al dente pasta has a lower GI than overcooked pasta), ripeness of fruits (ripe bananas have a higher GI than unripe bananas), and fat and protein content (combining carbs with fat or protein slows digestion and lowers the GI).
The bottom line: understanding the glycemic index can help you make informed choices about your diet, particularly if you're managing blood sugar levels or optimizing energy throughout the day. Our goal is to mostly consume low or moderate GI foods, or combine high GI foods with fat and protein to slow digestion.
What is Weight and Metabolism?
Dr. Deepti Sharma is a triple board-certified physician in Family Medicine, Obesity, and Lifestyle Medicine. She is also a certified menopause practitioner by The Menopause Society (previously NAMS) and a certified life coach. For over a decade, her clinical practice has focused on guiding individuals towards optimal health through evidence-based strategies.
She recognizes the unique challenges many individuals face in understanding their metabolism and managing their weight. This podcast is dedicated to addressing those specific nuances and providing clarity amidst widespread misinformation.
Each episode will delve into the science behind effective weight management and metabolic health exploring the critical roles of nutrition, physical activity, sleep, and mental well-being.
Please remember that while she is a doctor, she is not your doctor. This podcast is meant for educational and informational purposes only, not medical advice. Please consult your physician for your specific questions and needs.
Presented by Dr Deepti Sharma, MD
Learn more at www.weightandmetabolism.com