Eating Fruit Can Actually Help You Lose Weight. A Nutritionist Explains
It's all about the amount and the timing.
Here's some good news if you love berries, pears, and apples: Ditching fruit isn’t necessary to lose weight. It’s also not smart. Yes, fruit contains carbs and naturally-occurring sugar. But there are important reasons to make fruit a daily staple in your diet, even when you're working to slim down. The key is to eat it strategically. Doing so can actually help you shed pounds.
Natural substances in fruit—including vitamins, minerals, antioxidants, fiber, and prebiotics—are incredibly good for you, not just in terms of protecting against chronic diseases, but also for managing your weight. Even if you eat plenty of veggies, ni fruit means missing out on the unique antioxidants they provide.
In , fruit has actually been tied to weight loss, not weight gain. One found that overweight and obese adults who ate more fruit experienced greater weight loss than those who didn't. Another , which followed more than 130,000 adults over 24 years, found that consuming fruit was associated with improved weight loss over time.
This link may be because fruit can help boost satiety, satisfy a sweet craving, and decrease your desire to dig into goodies like candy or baked goods. Fruits also tend to replace higher-calorie treats, whereas veggies tend to be add-ons. In other words, you’re much more likely to choose an apple rather than a piece of broccoli in place of a cookie; and that swap can help you limit total calories and avoid added sugar, the real culprit when it comes to weight gain.
As for sugar, even the strictest guidelines from groups like the American Heart Association and World Health Organization don't lump the sugar from fresh, whole fruit in with , the refined type used to sweeten foods (think almond milk, or the spoonful you add to your morning coffee).
That's because the naturally-occurring sugar in fruit is much less concentrated, and bundled with water and a number of key nutrients. For example, one whole orange provides about 17 grams of carb, about 12 of which are natural sugar. But it also supplies fluid, 12% of your daily fiber needs, and nearly 100% the recommended amount of vitamin C, along with B vitamins, potassium, and substances like hesperidin, which has been shown to help lower blood pressure, cholesterol, and inflammation.
Compare that to one tablespoon of table sugar, which contains 16 grams of carbs and no nutrients. Essentially, whole, fresh fruit and added sugar don’t belong in the same category.
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Of course, that doesn’t mean you can eat unlimited amounts of fruit. Fruit does contain carbohydrates, and the job of carbs is to fuel the activity of your cells. When you eat more carbs than you can burn after a meal or snack, even from fruit, the unneeded surplus can either feed existing fat, or plump up fat cells.
For this reason your total carb intake, including fruit, should correspond to your fuel demands, which are based on your height, ideal weight, sex, age, and physical activity level. Most of my women clients can afford to eat two servings of fruit per day (more if they are taller or more active), with one serving being one cup, or one piece about the size of a baseball.
Since the carbs in fruit help fuel activity, when you eat fruit matters too. Downing a huge bowl of grapes late at night while you’re watching TV or surfing the web (when your fuel requirement is low) doesn’t make a lot of sense. Instead, build fruit into the meals and snacks you consume before your more active hours of the day. For many of my clients that may mean eating a small banana 20 or 30 minutes before a workout, or eating berries with breakfast before heading to work—and pairing an apple with almond butter in the afternoon to help power through the rest of the day.
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As far as the type of fruit you choose, try to get a good variety to expose your body to the broadest spectrum of nutrients and antioxidants. In my opinion no fruit is off limits if you’re thoughtful about the amount and timing. For example, while watermelon is a high glycemic-index fruit, enjoying it when it’s in season is smart, since one cup of cubes contains less than 50 calories, and it provides vitamin C, potassium, and antioxidants tied to anti-inflammation, protection against heart disease, and improved exercise endurance and recovery.
Bottom line: fruit is incredibly nutritious and not inherently fattening. Its impact on your weight depends on when you consume it, and how much you eat. Banishing fruit completely can backfire for weight loss, and negatively impact your overall wellness. Instead, strike the right balance to reap all the benefits of fruit and still achieve your slim-down goals.
is Health’s contributing nutrition editor, a New York Times best-selling author, and a consultant for the New York Yankees and Brooklyn Nets.