ZOE Science & Nutrition
Food before exercise: What does science say?
Sep 7, 2023
In this discussion, Professor Javier Gonzalez, a nutrition and metabolism expert from the University of Bath, dives into the nuances of pre-exercise nutrition. He explains how fasting before workouts can enhance insulin sensitivity and fat burning. The impact of meal timing on blood sugar levels is unveiled, revealing that exercising soon after eating may curb glucose spikes. Gonzalez highlights intriguing studies on the benefits of different exercise regimens, prompting listeners to rethink their morning routines for better health.
14:48
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Quick takeaways
- Exercising before breakfast can lead to improved insulin responses and long-term health benefits, reducing the risk of diseases like type 2 diabetes.
- Timing exercise within the first hour after a meal can effectively reduce glucose surges and improve blood sugar control, especially beneficial for individuals with insulin resistance.
Deep dives
Exercising on an Empty Stomach and Fat Burning
A study conducted with 30 overweight or obese men found that those who exercised before breakfast burned double the amount of fat compared to those who exercised after breakfast. While burning fat during exercise is commonly associated with weight loss, it's important to note that exercise alone is not a reliable method for losing weight. However, the timing of exercise can have significant impacts on health. Exercising before eating can help lower blood sugar peaks after meals and potentially prevent high glucose excursions that increase the risk of type 2 diabetes.
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