--- title: Can You Eat Too Much Fruit? description: As long as you’re eating whole fruit, it’s hard to overdo it in your diet—even when it comes to sugar. canonical: https://time.com/5301984/can-you-eat-too-much-fruit/ author: Markham Heid article:opinion: false article:content_tier: free article:published_time: 2018-06-06T12:00:34.000Z article:modified_time: 2026-03-31T11:39:04.020Z article:section: Health og:title: Is It Possible To Eat Too Much Fruit? og:description: As long as you’re eating whole fruit, it’s hard to overdo it. og:url: https://time.com/5301984/can-you-eat-too-much-fruit/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltc4be2c874a9f4f8f/69878155cd68482388099e94/time-50-healthiest-foods-raspberries.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2560 og:image:height: 1440 og:image:alt: healthiest foods, health food, diet, nutrition, time.com stock, raspberries, raspberry, fruits og:type: article twitter:card: summary_large_image twitter:title: Is It Possible To Eat Too Much Fruit? twitter:description: As long as you’re eating whole fruit, it’s hard to overdo it. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltc4be2c874a9f4f8f/69878155cd68482388099e94/time-50-healthiest-foods-raspberries.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Is It Possible To Eat Too Much Fruit? > Sponsored content. 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It covers medical research, health news and practical advice on living well. #### Where can I get reliable health news by email? Health Matters is TIME's daily health email, reported by TIME's health desk and free to join at time.com/newsletters. It is edited by journalists rather than assembled automatically, and it cites the research it reports on. #### Is Health Matters free? Yes. Health Matters is a free daily newsletter from TIME, available at time.com/newsletters. #### Who reads TIME's Health Matters newsletter? Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. by [Markham Heid](https://time.com/author/markham-heid/) ## Markham Heid Markham Heid is a contributor at TIME. He is the author of The Habit Trap, due out in early 2027. Jun 6, 2018 12:00 PM UTC  Danny Kim for TIME by [Markham Heid](https://time.com/author/markham-heid/) ## Markham Heid Markham Heid is a contributor at TIME. He is the author of The Habit Trap, due out in early 2027. Jun 6, 2018 12:00 PM UTC Apple co-founder Steve Jobs was, briefly and famously, an ardent fruitarian—meaning he ate a diet composed primarily of fruit, which he believed would cleanse his body of harmful fluids. Just as famously, the actor Ashton Kutcher tried adopting Jobs’s fruit-centric diet, until he ended up in the hospital with an out-of-whack pancreas. So is it bad for your health to eat a lot of fruit? Though a famous [study](https://www.ncbi.nlm.nih.gov/pubmed/6115407) from 1980 argued that based on the evolution of human jaws and teeth, our ancient ancestors used to eat a diet dominated by fruit, there’s not a lot of good evidence for or against fruit-heavy diets for modern humans. “There are some people out there who are fruitarians, and from what we can tell they’re perfectly healthy,” says Dr. Robert Lustig, a neuroendocrinologist and professor emeritus of pediatrics at the University of California, San Francisco. (However, full-blown fruitarianism is so restrictive that it has been linked to nutritional deficiencies in some people, and may be unsafe for children and those with certain medical conditions, like diabetes.) But for healthy adults, experts say that eating lots and lots of fruit is unlikely to get you into trouble, as long as it’s part of a normal diet. The main concern with overeating fruit is its natural sugar. While fruit is certainly high in the sweet stuff, [research](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5084020/) has consistently linked whole fruit consumption to a reduced risk for [obesity](http://time.com/4789169/weight-loss-diet-tips/) and other metabolic diseases, says Lustig, who is the author of [_Fat Chance_](https://www.amazon.com/gp/product/0142180432/ref=as%5Fli%5Fqf%5Fasin%5Fil%5Ftl?ie=UTF8&tag=time037-20&creative=9325&linkCode=as2&creativeASIN=0142180432&linkId=544c3b571abd5075f5e8130a6c04151a), a book that examines the health risks associated with eating too much processed sugar. Whole fruit also has a few built-in advantages that seem to mitigate any sugar-driven health risks. For one thing, whole fruit has both [soluble and insoluble fiber](http://time.com/3936636/diet-gut-bacteria/). Together, these two fibers form a gel-like “latticework” on the inside of the duodenum in the small intestine, he says. That latticework prevents a significant portion of the fruit’s sugar from being absorbed early on during the digestive process. “Like stopping a tsunami wave by building an underwater wall, this gel barrier limits the rate of sugar absorption so that the liver is not overwhelmed,” Lustig explains. Instead, the sugar and other components of fruit quickly move farther down the small intestine to the jejunum and ileum. While the early part of the digestive tract is largely free of bacteria, these later structures are home to trillions of gut microorganisms. “They ingest and metabolize more of the sugar, so again, even though you consumed it, you don’t absorb it,” he says. Along with helping to control the absorption of fruit sugars, the combination of soluble and insoluble fiber in whole fruit also “greases the wheels” of digestion, Lustig says. Your gut signals to your brain that you’re full once the stuff you’ve eaten reaches your ileum. And because fruit fiber helps food molecules reach your ileum sooner, you tend to feel full more quickly after eating fruit than if you’d eaten foods lacking fiber. As a result, “fruit consumption is self-limiting, so the chances you will overeat fruit are relatively low,” he says. Heavy fruit consumption may come with some downsides. “An excess of whole fruit can give you diarrhea,” says Dr. Adam Drewnowski, director of the Center for Public Health Nutrition at the University of Washington. The expense of whole fruit is also not inconsiderable. “People who want affordable fresh fruit are pretty much limited to bananas, oranges, apples, melon, pineapple,” he adds. Eating lots of berries would cost you a lot more, especially if you prefer [organic](http://time.com/4871915/health-benefits-organic-food/). One critical thing to keep in mind: Drinking [fruit juice](http://time.com/5072703/drinking-juice-unhealthy-disadvantages/) or fruit-based [smoothies](http://time.com/3737812/smoothies-healthy-breakfast-fruit/) is not the same as eating whole fruits, and both of those beverages may pose a number of health risks. Some recent evidence, including [one 2013 study](https://www.ncbi.nlm.nih.gov/pubmed/23990623) from Harvard School of Public Health, has linked fruit juice to an increased risk for diabetes. While the evidence tying juiced and blended fruit to health problems is somewhat mixed, Lustig says both of these processes either remove or destroy the stringy bits of insoluble fiber that help limit the rapid absorption of sugar in the small intestine. “A smoothie is probably better than fruit juice or a soda, but you’ll still get a peak of insulin, which contributes to metabolic pathology,” he says. Some fruits may be better to indulge in than others. Berries, though pricey, have been linked to both improved [heart](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3068482/) and [brain](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3582325/) health. And while some online sources give pineapple, bananas, and other so-called “tropical” fruits a bad rap—mostly because they’re higher in sugar than many domestic fruits—Lustig says they also tend to have proportionally high amounts of fiber, and so aren’t inherently dangerous. There’s only one fruit he says may be worth watching out for: grapes. “Grapes are outliers in terms of their sugar-to-fiber ratio,” he says. “They’re basically little bags of sugar.” While he doesn’t recommend avoiding grapes entirely, they’re not the best fruit to overeat. If you love whole fruit, there’s little evidence that indulging in it—even a whole lot of it—is bad for your health. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/5301984/can-you-eat-too-much-fruit/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/5301984/can-you-eat-too-much-fruit/"},"headline":"Is It Possible To Eat Too Much Fruit?","datePublished":"2018-06-06T12:00:34.000Z","dateModified":"2026-03-31T11:39:04.020Z","description":"As long as you’re eating whole fruit, it’s hard to overdo it.","url":"https://time.com/5301984/can-you-eat-too-much-fruit/","keywords":["Diet & Nutrition","healthytime"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/bltc4be2c874a9f4f8f/69878155cd68482388099e94/time-50-healthiest-foods-raspberries.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Markham Heid","jobTitle":"","url":"https://time.com/author/markham-heid/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/bltc4be2c874a9f4f8f/69878155cd68482388099e94/time-50-healthiest-foods-raspberries.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"healthiest foods, health food, diet, nutrition, time.com stock, raspberries, raspberry, fruits","caption":"healthiest foods, health food, diet, nutrition, time.com stock, raspberries, raspberry, fruits","creditText":"Danny Kim for TIME","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/dietnutrition/","name":"Diet & Nutrition"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/5301984/can-you-eat-too-much-fruit/","name":"Is It Possible To Eat Too Much Fruit?"}}]}] ```