How Sugar Type Affects Hunger and Fat in Your Body
Dietary fructose reduces circulating insulin and leptin, attenuates postprandial suppression of ghrelin, and increases triglycerides in women.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Fructose caused a rapid and sustained increase in triglycerides despite only a 24-hour intervention and isocaloric meals.
Most people assume fat in the blood comes from dietary fat, not sugar — and certainly not within a single day. The speed and magnitude of the triglyceride rise highlight fructose’s unique metabolic impact.
Practical Takeaways
Choose water, unsweetened tea, or glucose-based carbs over fructose-sweetened drinks like soda or fruit juice to better regulate hunger and fat storage.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Fructose caused a rapid and sustained increase in triglycerides despite only a 24-hour intervention and isocaloric meals.
Most people assume fat in the blood comes from dietary fat, not sugar — and certainly not within a single day. The speed and magnitude of the triglyceride rise highlight fructose’s unique metabolic impact.
Practical Takeaways
Choose water, unsweetened tea, or glucose-based carbs over fructose-sweetened drinks like soda or fruit juice to better regulate hunger and fat storage.
Publication
Journal
The Journal of clinical endocrinology and metabolism
Year
2004
Authors
K. Teff, Sharon S Elliott, M. Tschöp, T. Kieffer, Daniel Rader, M. Heiman, R. Townsend, N. Keim, D. D’Alessio, P. Havel
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Claims (6)
If normal-weight women drink sugary drinks with fructose instead of glucose—making up 30% of their daily calories—it might cut their insulin response after meals by 65%, because fructose doesn’t trigger insulin like glucose does, which could affect how the body senses fullness or burns energy.
Drinking sugary drinks with fructose (like in soda) can make fat levels in the blood go up more than drinks with regular sugar, even in women who aren’t overweight.
In normal-weight women, eating fructose instead of the same amount of glucose might make them feel less full and more likely to eat more, because it changes key hunger and fullness hormones in the body.
Drinking sugary drinks with fructose — even when not overweight — might lower a key fullness hormone in women more than drinking the same amount of glucose, which could mess with the brain’s ability to feel full.
For normal-weight women, eating meals sweetened with fructose doesn’t lower hunger hormone levels as much as glucose-sweetened meals, so they might feel hungrier afterward.