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A clinical trial published in the Nutrients journal found that consuming 200 g of fresh tomatoes and 50 g of tomato sauce daily for six weeks led to a greater reduction in liver fat in adults with metabolic dysfunction-associated steatotic liver disease (MASLD), according to a study described in the source articles. The research involved 79 adults with MASLD, dividing them into two groups: one maintaining a tomato-free diet and the other adding tomatoes to their meals. While both groups saw reductions in liver fat, the tomato-consuming group experienced a more significant decrease. Researchers emphasized that the findings do not support tomatoes as a substitute for established medical treatments for chronic metabolic conditions.
Clinical Trial Design and Participant Findings
The study included 79 adult participants with MASLD, as detailed in the source articles. Researchers divided them into two groups over a six-week intervention period. One group maintained a diet without tomatoes, while the other consumed 200 g of fresh tomatoes and 50 g of tomato sauce daily. Both groups were instructed to maintain their usual lifestyle habits. The study reported a greater reduction in liver fat in the tomato-consuming group, though no significant differences were observed in weight, total body fat, or abdominal fat between the groups.
Quantifying Liver Fat Reduction
The research noted a reduction in liver fat in both groups, with the tomato-consuming group showing a more pronounced effect. However, no data on specific percentages or decibel measurements were provided in the main source articles.
Limitations and Expert Commentary
The study highlighted several limitations, including a short 6-week follow-up period, a relatively small sample size, and the exclusion of individuals with a BMI above 30. Researchers also noted that the combination of fresh tomatoes and tomato sauce made it unclear which specific type of tomato contributed to the observed effects. Experts emphasized the need for larger, longer-term studies to confirm the findings. Additionally, the source articles cautioned against interpreting the results as proof that tomatoes can prevent or reverse liver disease, stressing that the study only demonstrated a reduction in liver fat without addressing broader metabolic improvements.
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