Health Update: Health Update: How much walking to lose weight? – What Experts Say– What Experts Say.
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These days, just about everyone is recommending a different way to lose weight. Whether it’s the latest ultra-low-fat diet, high-intensity exercise regimes like CrossFit or medications injected weekly to suppress appetite, the options and advice can seem endless.
Yet sometimes the most proven strategies are also the simplest. Enter the weight-loss method that has stood the test of time: walking. After all, walking requires no gym membership, expensive equipment or specialized training and is accessible to nearly everyone and can be done almost anywhere.
And while it may not look as dramatic as more intense workouts, walking can also be surprisingly good for you and even one of the most effective and sustainable ways to burn fat and lose weight. Here’s what to know.
How does walking help you lose fat?
At its core, “weight loss occurs when your body burns more calories than it consumes,” says Austin “Ozzie” Gontang, a licensed psychotherapist at Pacific Pearl of La Jolla and the director of the San Diego Marathon Clinic. He explains that walking contributes to this process by increasing daily calorie expenditure since, even at a moderate pace, it requires energy − meaning your body must tap into fuel stores to power movement.
But walking does more than simply burn calories, says Dr. Michael Fredericson, director of physical medicine and rehabilitation at Stanford University. He explains that it also improves how the body handles blood sugar and insulin. Normally, when people are sedentary, blood sugar can stay elevated longer, increasing the likelihood that excess energy will be stored as fat. “But regular walking helps muscles use circulating sugar more efficiently, improving insulin sensitivity and thereby making fat storage less likely,” he says.
Another benefit Gontang points to is that walking helps preserve muscle mass during weight loss. This matters because, when people lose weight through dieting alone, some of that weight may come from muscle. But adding regular walking helps signal the body to maintain lean tissue while losing fat. This can be helpful “because muscle helps keep your metabolism higher over time,” he says. In fact, if you maintain lean muscle mass, your body will burn more calories and rely more on fat for fuel − even while at rest.
How much walking is needed to lose weight?
While the amount of walking needed for weight loss varies, “most adults need sustained daily walking of about 45 to 90 minutes to see measurable weight loss results,” Gontang says. This aligns with meta-analysis research showing that it takes at least 45 minutes per day of walking to begin producing weight-loss effects.
If people remain consistent, “walking alone typically produces modest weight loss of 4 to 6 pounds over 12 weeks to 6 months,” Fredericson says; though factors such as age, gender, starting weight and lifestyle can significantly influence results.
There are also several variables that can affect how much weight you lose from walking. Gontang notes that walking on an incline can make a substantial difference because walking uphill requires more muscle activation and greater energy expenditure than walking on a flat surface. Terrain matters as well. For instance, “walking on woodchip trails requires approximately 27% more metabolic energy than sidewalk walking, with energy costs increasing progressively from sidewalk to dirt, gravel, grass and woodchips,” Fredericson says.
“Walking pace also shows complex effects on fat loss,” he adds. For instance, walking at a brisk pace generally increases total energy expenditure and burns more calories per minute. But research also suggests that slower walking performed over a longer duration may initially produce greater total fat loss in overweight individuals than faster walking performed for shorter periods. “However, both speeds ultimately lead to fat reduction with sufficient time,” Fredericson says.
Again though, consistency is key. “Weight loss demands sustained daily walking,” Gontang says.
What else helps with weight loss?
While walking can play a powerful role in fat loss, it works best as part of a broader lifestyle approach. “Walking is not a standalone obesity treatment,” Fredericson says.
Indeed, one of the most important complementary factors is nutrition because, if daily calorie intake consistently exceeds what the body burns, weight loss will be difficult − even with regular exercise. Put another way, “walking alone cannot overcome a consistently poor diet,” Gontang says. Conversely, eating patterns that emphasize whole foods such as vegetables, fruits, lean proteins, whole grains and healthy fats can make it easier to maintain a moderate calorie deficit.
Gontang says that sleep and stress management also play a surprisingly important role in weight regulation, as poor sleep disrupts hormones that control hunger and fullness, and chronic stress affects weight by raising cortisol levels, which can increase appetite and encourage the body to store more fat.
But when combined with balanced nutrition, adequate sleep and effective stress management, Gontang says, “consistent daily walks can become one of the most sustainable − and scientifically supported − tools for achieving long-term weight loss and overall health.”