What happens if you swap sugar for fructose?
Chronic fructose substitution for glucose or sucrose in food or beverages has little effect on fasting blood glucose, insulin, or triglycerides: a systematic review and meta-analysis.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Fructose substitution lowered triglycerides, despite fructose being commonly blamed for raising them.
Most public health messaging says fructose causes fatty liver and high triglycerides—but this meta-analysis found the opposite when it replaced glucose/sucrose in isoenergetic diets.
Practical Takeaways
If you're trying to reduce sugar intake, swapping table sugar for small amounts of fructose (like in fruit) might slightly improve blood sugar and weight metrics.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Fructose substitution lowered triglycerides, despite fructose being commonly blamed for raising them.
Most public health messaging says fructose causes fatty liver and high triglycerides—but this meta-analysis found the opposite when it replaced glucose/sucrose in isoenergetic diets.
Practical Takeaways
If you're trying to reduce sugar intake, swapping table sugar for small amounts of fructose (like in fruit) might slightly improve blood sugar and weight metrics.
Publication
Journal
The American journal of clinical nutrition
Year
2017
Authors
Rebecca A Evans, Michael Frese, J. Romero, J. Cunningham, K. Mills
Related Content
Claims (6)
Eating too much fructose, like the sugar in soda and candy, can mess up your liver’s ability to respond to insulin, make more fat in your liver, and raise fat levels in your blood, which can lead to bigger health problems like heart disease.
If you swap out regular sugar or glucose with fructose in your diet without changing how many calories you eat, you might lose a little bit of weight—about 3 pounds—over time.
If you swap out regular sugar or glucose in your food and drinks for fructose (a different kind of sugar) without changing how many calories you eat, it might slightly reduce your fasting blood sugar by a tiny bit — even if you have diabetes or not.
If you swap out regular sugar or glucose for fructose in your diet without changing how many calories you eat, it might slightly reduce a type of fat in your blood called triglycerides — which could be a small good thing for your heart and liver.
If you swap out regular sugar or glucose for fructose in your diet but keep the same number of calories, your fasting insulin levels won’t change—whether or not you have diabetes.