Apples, grapes, and jackfruit are among the fruits highest in fructose, with a single medium apple containing around 10 to 12.5 grams depending on the variety. Fruit juices concentrate fructose even further, packing over 28 grams into a 16-ounce glass of apple juice. Whether you’re tracking fructose for digestive reasons, metabolic health, or general curiosity, the differences between fruits are significant enough to matter.
Fruits With the Most Fructose Per Serving
Fructose content varies widely from fruit to fruit. Here are some of the highest sources, listed by a typical serving size:
- Red Delicious apple (1 medium): 12.5 g
- Fuji apple (1 medium): 12.4 g
- Red or green grapes (1 cup): 12.3 g
- Jackfruit (1 cup, sliced): 15.2 g
- Mamey sapote (1 cup, pieces): 13.4 g
- Plantains (1 cup, sliced, raw): 12.8 g
- Golden Delicious apple (1 medium): 10.3 g
- Gala apple (1 medium): 10.2 g
- Cherimoya (1 cup, pieces): 10 g
- Golden raisins (1 oz handful): 9.9 g
- Dried cranberries, sweetened (ΒΌ cup): 10.8 g
Apples dominate this list. Every major variety lands in the top tier, and the differences between a Red Delicious and a Gala are relatively small. Grapes are the other common high-fructose fruit most people eat regularly. Tropical fruits like jackfruit and mamey sapote are actually higher per cup, but they’re far less common in everyday diets.
Dried fruits deserve special attention. Drying removes water but leaves all the sugar behind, so a small handful of raisins or dried cranberries delivers a concentrated dose. The sweetened dried cranberries on that list also contain added sugar on top of their natural fructose.
Fruit Juice Is in a Different Category
Juice strips away fiber and concentrates the sugar from multiple pieces of fruit into a single glass. A 16-ounce glass of unsweetened grape juice contains about 37 grams of fructose. The same size serving of apple juice has roughly 28 grams. For comparison, eating a whole medium apple gives you around 10 to 12 grams of fructose along with fiber that slows absorption.
A clinical trial comparing whole apples to apple juice found that a large serving of either (about 410 grams of apple segments or 340 mL of juice) delivered around 26.7 grams of fructose. The key difference isn’t just the total amount. Whole fruit takes longer to eat, fills your stomach, and its fiber slows the rate at which fructose reaches your liver. Juice delivers the same fructose load without any of those natural brakes.
How Your Body Handles Fructose
Fructose and glucose are both simple sugars, but your body processes them through entirely different pathways. Glucose circulates through your bloodstream and fuels cells throughout your body. Nearly every tissue can use it directly. Fructose works differently. Your intestines and liver clear it rapidly from the bloodstream, and the liver does most of the heavy lifting.
Once in the liver, fructose gets converted into a few different things: glucose, glycogen (a stored form of energy), or fatty acids stored as triglycerides. This is the reason fructose gets attention in discussions about metabolic health. When fructose arrives in large amounts, especially from liquids that bypass the slower digestion of whole food, the liver converts more of it into fat. In moderate amounts from whole fruit, this process is not a concern for most people.
Ripeness Changes the Sugar Profile
The fructose content of a piece of fruit isn’t fixed. It shifts as the fruit ripens. Bananas are a clear example. In unripe and just-ripening bananas, sucrose (a combination of glucose and fructose) is the dominant sugar. As bananas pass their peak and develop brown spots, that sucrose breaks down into free glucose and free fructose. A very ripe banana contains meaningfully more free fructose than a firm, yellow one.
This pattern holds for many fruits. The sweeter a fruit tastes, the more its sugars have converted into their free, readily absorbable forms. If you’re sensitive to fructose, choosing slightly less ripe fruit can make a practical difference.
Why Fructose Matters for Digestive Sensitivity
For people with fructose malabsorption or irritable bowel syndrome, the total grams of fructose in a fruit isn’t the only number that matters. What counts is the ratio of fructose to glucose. Your small intestine absorbs fructose more efficiently when glucose is present in equal or greater amounts. Fruits where fructose significantly exceeds glucose are more likely to cause bloating, gas, and diarrhea in sensitive individuals.
This is the basis of the FODMAP approach developed by Monash University. Foods are tested for their levels of both sugars, and only those with fructose levels higher than glucose are classified as “high fructose” for dietary purposes. That means some fruits with moderate total fructose can still cause problems if the ratio is off, while others with decent fructose totals are well tolerated because glucose keeps pace.
Apples, pears, mangoes, and watermelon are common triggers under this framework. They all have fructose that outstrips their glucose content.
Lower-Fructose Fruits Worth Knowing
If you’re looking for fruits that are gentler on fructose-sensitive digestion, several common options keep fructose levels low or maintain a favorable glucose-to-fructose ratio. The University of Virginia Health System identifies these as well-tolerated choices:
- Bananas (especially when not overripe)
- Blueberries
- Blackberries
- Cantaloupe
- Cherries
- Apricots
- Avocado
These fruits let you get the vitamins, fiber, and antioxidants of whole fruit without overloading your system with fructose. Berries in particular tend to be low in fructose relative to their serving size and are among the most nutrient-dense fruits available.
No Official Limit for Fruit Fructose
The Dietary Guidelines for Americans do not set a maximum daily intake for naturally occurring fructose. The guidelines draw a clear line between added sugars (which should stay below 10 percent of daily calories) and the sugars that occur naturally in whole fruits, and they actively encourage eating fruit as part of a healthy diet. Fruits are classified as nutrient-dense foods alongside vegetables, whole grains, and lean proteins.
For most people, the fructose in two to four servings of whole fruit per day is not a concern. The fiber, water content, and micronutrients in whole fruit make it fundamentally different from added fructose in processed foods. The people who benefit from tracking fruit fructose are those with diagnosed fructose malabsorption, certain liver conditions, or IBS managed through a low-FODMAP approach. For everyone else, the practical takeaway is simpler: eat whole fruit freely, and treat juice as an occasional choice rather than a daily habit.