Her Fitness: Exercising before breakfast can boost health benefits for people, including burning significantly more fat and helping them better control their blood sugar.
In the course of the 6-week study, researchers studied dozens of men with overweight or obesity who were sedentary.
The study showed that those who worked out before breakfast burned twice the amount of fat than those who exercised after a morning meal.
The researchers found that those who exercised after fasting overnight had lower insulin levels during exercise.
How the study worked (Her Fitness)
The participants, who engaged in moderate-intensity cycling, ate their meals before 8 p.m. the evening before the exercise.
Researchers compared results from two groups — those who ate breakfast before exercise and those who ate after — with a control group of men that made no lifestyle changes.
Researchers built the study in part on growing evidence that the timing of meals can have an impact on the effectiveness of the exercise.
Although working out before breakfast over 6 weeks didn’t lead to any weight loss differences, the study found it did have a positive impact on the participants’ health, because their bodies responded better to insulin.
This effect has significant long-term ramifications. It kept their blood sugar levels in check and has the potential to reduce the risk of conditions such as heart disease and diabetes.
The researchers say their data is the first to show that exercise training before eating breakfast. That impacts a moderate-intensity training exercise in men with overweight or obesity.
Her Fitness: The researchers explained that the increase in fat use is largely attributable to lower insulin levels during exercise. This means pre-breakfast exercisers end up using more of the fat from their fat tissue and within their muscles as fuel.
The biggest takeaways from this study are that the timing of meals in relation to exercise can have a profound impact on the responses to exercise.
For people looking to maximize the health benefits of exercise. Performing some sessions in an overnight fasted state is likely to provide greater benefits than performing all sessions after breakfast.
Researchers noted that previous research has suggested a single session of exercise performed before breakfast increases fat use. But before this study, no one knew for certain whether this increase. Fat use persists over a training program or a sustained period of time.
Here we demonstrate that the increase in fat use with exercise before breakfast. Persists throughout six weeks of training, even as people get fitter. “Furthermore, this translates into improvements in insulin sensitivity and adaptations in muscle associated with glucose control.”
He added that these improvements in insulin sensitivity and adaptations to muscle have the potential to reduce the risk of developing type 2 diabetes.
Researchers said health scientists have known for at least 40 years that abstaining. Food before exercise enhances a reliance on fat as fuel.
So their results showing this are not novel. But high insulin levels were reduced with exercise training before, but not after, carbohydrate ingestion.
This suggests that if you have a person exercising who is at risk for diabetes. Diabetes and has high blood sugar. Exercise should be done in the fasted state to foster this reduction in the insulin response to a meal. Which is linked to overall metabolic health status.
He called the study’s revelation groundbreaking.
Getting healthier without losing weight
Health, exercise, and rehabilitative sciences the public health message here could be that. You don’t have to necessarily lose body fat to become more sensitive to insulin.
Let’s say genetics dictate that you’re a bigger person. The public health message would say that even though you don’t lose weight. You can improve your health with a method similar to this.
Her Fitness: Researchers say the next steps include exploring the longer-term effects of this type of exercise. Looking into whether women will benefit in the same way as men.
We performed this study in men as a first study to ensure we had a homogenous group of people. We are very keen to see if the responses translate to women too.
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