A recent animal study presented at the ENDO 2026, the Endocrine Society’s annual meeting in Chicago, indicates that eliminating sugar from the diet might have unintended negative effects on health. Rasheed Ahmad, Ph.D., principal scientist at the Dasman Diabetes Institute in Kuwait, stated that completely removing sucrose from a low-fat diet could disrupt gut health, promote inflammation, and lead to metabolic dysfunction. This suggests that balanced nutrition is crucial, rather than just eliminating sugar.
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The study compared a sucrose-free low-fat diet with a sucrose-containing control diet among two groups of mice over 16 weeks. Researchers assessed glucose tolerance, insulin sensitivity, circulating metabolic hormones, the gut microbiome, and levels of inflammation in the colon and liver.
Mice on the sucrose-free diet showed impaired glucose control, insulin resistance, gut microbial imbalance, intestinal inflammation, and liver changes, despite no significant difference in body weight compared to the control group.
Ahmad emphasized that the complete removal of sucrose from a low-fat diet could adversely affect gut microbiota and overall metabolic health. This research uncovers the potential risks associated with restrictive diets that eliminate sugar.
He mentioned that these findings could shape future dietary guidelines by highlighting the need to maintain a healthy gut microbiome rather than solely focusing on sugar reduction. In the long run, the results could enhance strategies for preventing and managing metabolic disorders, fatty liver disease, and chronic inflammation.
Faisal Hamed Al-Refaei, MD, Acting Director General of Dasman Diabetes Institute, noted that studies like this reflect the institute's commitment to advancing evidence-based research to improve public health outcomes and deepen understanding of metabolic diseases.